Merge #1050, #1052, #1053, #1054 into the main trunk.

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@3175 74dad513-b988-da41-8d7b-12977e46ad98

41 files changed, 5248 insertions, 14 deletions

diff --git a/aconfigure b/aconfigure
index 3b30468a..523843a9 100755
--- a/aconfigure
+++ b/aconfigure
@@ -2283,7 +2283,7 @@ test -n "$target_alias" &&
   program_prefix=${target_alias}-
 ac_config_headers="$ac_config_headers pjlib/include/pj/compat/os_auto.h pjlib/include/pj/compat/m_auto.h pjmedia/include/pjmedia/config_auto.h pjmedia/include/pjmedia-codec/config_auto.h pjsip/include/pjsip/sip_autoconf.h"
 
-ac_config_files="$ac_config_files build.mak build/os-auto.mak pjlib/build/os-auto.mak pjlib-util/build/os-auto.mak pjmedia/build/os-auto.mak pjsip/build/os-auto.mak third_party/build/os-auto.mak third_party/build/portaudio/os-auto.mak"
+ac_config_files="$ac_config_files build.mak build/os-auto.mak build/cc-auto.mak pjlib/build/os-auto.mak pjlib-util/build/os-auto.mak pjmedia/build/os-auto.mak pjsip/build/os-auto.mak third_party/build/os-auto.mak third_party/build/portaudio/os-auto.mak"
 
 
 
@@ -3326,6 +3326,33 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
+if test "$AR" = ""; then AR="$(CROSS_COMPILE)ar rv"; fi
+
+if test "$LD" = ""; then LD="$CC"; fi
+
+if test "$LDOUT" = ""; then LDOUT="-o"; fi
+
+if test "$RANLIB" = ""; then RANLIB="$(CROSSCOMPILE)ranlib"; fi
+
+if test "$OBJEXT" = ""; then OBJEXT='o'; fi
+
+if test "$LIBEXT" = ""; then LIBEXT='a'; fi
+
+if test "$LIBEXT2" = ""; then LIBEXT2=""; fi
+
+if test "$CC_OUT" = ""; then CC_OUT="-o"; fi
+
+if test "$CC_INC" = ""; then CC_INC="-I"; fi
+
+if test "$CC_DEF" = ""; then CC_DEF="-D"; fi
+
+if test "$CC_OPTIMIZE" = ""; then CC_OPTIMIZE="-O2"; fi
+
+if test "$CC_CFLAGS" = ""; then CC_CFLAGS="-Wall"; fi
+
+
+
+
 
 
 case $target in
@@ -5384,6 +5411,11 @@ if test "$enable_sound" = "no"; then
   true;
 else
  case $target in
+  arm-apple-darwin*)
+	LIBS="$LIBS -framework CoreAudio -framework CoreFoundation -framework AudioToolbox"
+	{ echo "$as_me:$LINENO: result: Checking sound device backend... AudioUnit" >&5
+echo "${ECHO_T}Checking sound device backend... AudioUnit" >&6; }
+	;;
   *darwin*)
 	LIBS="$LIBS -framework CoreAudio -framework CoreServices -framework AudioUnit -framework AudioToolbox"
 	if test "`uname -r`" = "6.8"; then
@@ -6850,6 +6882,7 @@ do
     "pjsip/include/pjsip/sip_autoconf.h") CONFIG_HEADERS="$CONFIG_HEADERS pjsip/include/pjsip/sip_autoconf.h" ;;
     "build.mak") CONFIG_FILES="$CONFIG_FILES build.mak" ;;
     "build/os-auto.mak") CONFIG_FILES="$CONFIG_FILES build/os-auto.mak" ;;
+    "build/cc-auto.mak") CONFIG_FILES="$CONFIG_FILES build/cc-auto.mak" ;;
     "pjlib/build/os-auto.mak") CONFIG_FILES="$CONFIG_FILES pjlib/build/os-auto.mak" ;;
     "pjlib-util/build/os-auto.mak") CONFIG_FILES="$CONFIG_FILES pjlib-util/build/os-auto.mak" ;;
     "pjmedia/build/os-auto.mak") CONFIG_FILES="$CONFIG_FILES pjmedia/build/os-auto.mak" ;;
diff --git a/aconfigure.ac b/aconfigure.ac
index 185ee0de..1e804912 100644
--- a/aconfigure.ac
+++ b/aconfigure.ac
@@ -13,6 +13,7 @@ AC_CONFIG_HEADER([pjlib/include/pj/compat/os_auto.h
 		 ])
 AC_CONFIG_FILES([build.mak 
 		 build/os-auto.mak 
+		 build/cc-auto.mak
 		 pjlib/build/os-auto.mak 
 		 pjlib-util/build/os-auto.mak 
 		 pjmedia/build/os-auto.mak
@@ -33,10 +34,40 @@ fi
 
 CXXFLAGS="$CFLAGS $CXXFLAGS"
 
+dnl #
+dnl # Configure tools
+dnl #
 AC_PROG_CC
 AC_PROG_CXX
 AC_LANG_C
 
+if test "$AR" = ""; then AR="$(CROSS_COMPILE)ar rv"; fi
+AC_SUBST(AR)
+if test "$LD" = ""; then LD="$CC"; fi
+AC_SUBST(LD)
+if test "$LDOUT" = ""; then LDOUT="-o"; fi
+AC_SUBST(LDOUT)
+if test "$RANLIB" = ""; then RANLIB="$(CROSSCOMPILE)ranlib"; fi
+AC_SUBST(RANLIB)
+if test "$OBJEXT" = ""; then OBJEXT='o'; fi
+AC_SUBST(OBJEXT)
+if test "$LIBEXT" = ""; then LIBEXT='a'; fi
+AC_SUBST(LIBEXT)
+if test "$LIBEXT2" = ""; then LIBEXT2=""; fi
+AC_SUBST(LIBEXT2)
+if test "$CC_OUT" = ""; then CC_OUT="-o"; fi
+AC_SUBST(CC_OUT)
+if test "$CC_INC" = ""; then CC_INC="-I"; fi
+AC_SUBST(CC_INC)
+if test "$CC_DEF" = ""; then CC_DEF="-D"; fi
+AC_SUBST(CC_DEF)
+if test "$CC_OPTIMIZE" = ""; then CC_OPTIMIZE="-O2"; fi
+AC_SUBST(CC_OPTIMIZE)
+if test "$CC_CFLAGS" = ""; then CC_CFLAGS="-Wall"; fi
+AC_SUBST(CC_CFLAGS)
+
+
+
 AC_SUBST(ac_pjdir)
 AC_SUBST(ac_build_mak_vars)
 case $target in 
@@ -487,6 +518,10 @@ if test "$enable_sound" = "no"; then
   true;
 else
  case $target in
+  arm-apple-darwin*)
+	LIBS="$LIBS -framework CoreAudio -framework CoreFoundation -framework AudioToolbox"
+	AC_MSG_RESULT([Checking sound device backend... AudioUnit])
+	;;
   *darwin*)
 	LIBS="$LIBS -framework CoreAudio -framework CoreServices -framework AudioUnit -framework AudioToolbox"
 	if test "`uname -r`" = "6.8"; then
diff --git a/build.mak.in b/build.mak.in
index bcba2013..2f8197da 100644
--- a/build.mak.in
+++ b/build.mak.in
@@ -60,7 +60,8 @@ endif
 
 # CFLAGS, LDFLAGS, and LIBS to be used by applications
 export PJDIR := @ac_pjdir@
-export APP_CC := $(CROSS_COMPILE)$(CC_NAME)
+export APP_CC := @CC@
+export APP_CXX := @CXX@
 export APP_CFLAGS := -DPJ_AUTOCONF=1\
 	@CFLAGS@\
 	-I$(PJDIR)/pjlib/include\
@@ -105,6 +106,7 @@ export APP_LIB_FILES = $(PJ_DIR)/pjsip/lib/libpjsua-$(LIB_SUFFIX) \
 # from within the source distribution
 export PJ_DIR := $(PJDIR)
 export PJ_CC := $(APP_CC)
+export PJ_CXX := $(APP_CXX)
 export PJ_CFLAGS := $(APP_CFLAGS)
 export PJ_CXXFLAGS := $(APP_CXXFLAGS)
 export PJ_LDFLAGS := $(APP_LDFLAGS)
diff --git a/build/cc-auto.mak.in b/build/cc-auto.mak.in
new file mode 100644
index 00000000..bc565672
--- /dev/null
+++ b/build/cc-auto.mak.in
@@ -0,0 +1,21 @@
+export CC = @CC@ -c
+export CXX = @CXX@ -c
+export AR = @AR@
+export LD = @LD@
+export LDOUT = -o 
+export RANLIB = @RANLIB@
+
+export OBJEXT := .@OBJEXT@
+export LIBEXT := .@LIBEXT@
+export LIBEXT2 := @LIBEXT2@
+
+export CC_OUT := @CC_OUT@
+export CC_INC := @CC_INC@
+export CC_DEF := @CC_DEF@
+export CC_OPTIMIZE := @CC_OPTIMIZE@
+export CC_LIB := -l
+
+export CC_SOURCES :=
+export CC_CFLAGS := @CC_CFLAGS@
+export CC_LDFLAGS :=
+
diff --git a/build/common.mak b/build/common.mak
index d6000078..ad6df03e 100644
--- a/build/common.mak
+++ b/build/common.mak
@@ -17,6 +17,15 @@ include $(PJDIR)/build/cc-$(CC_NAME).mak
 -include cc-$(CC_NAME).mak
 
 #
+# Include auto configured compiler specification.
+# This will override the compiler settings above.
+# Currently this is made OPTIONAL, to prevent people
+# from getting errors because they don't re-run ./configure
+# after downloading new PJSIP.
+#
+-include $(PJDIR)/build/cc-auto.mak
+
+#
 # Include global machine specific definitions
 #
 include $(PJDIR)/build/m-$(MACHINE_NAME).mak
diff --git a/build/rules.mak b/build/rules.mak
index bbe0ab19..3afdfd47 100644
--- a/build/rules.mak
+++ b/build/rules.mak
@@ -65,6 +65,9 @@ print_common:
 	@echo $(APP)_CXXFLAGS=$($(APP)_CXXFLAGS)
 	@echo $(APP)_LDFLAGS=$($(APP)_LDFLAGS)
 	@echo DEPFLAGS=$(DEPFLAGS)
+	@echo CC=$(CC)
+	@echo AR=$(AR)
+	@echo RANLIB=$(RANLIB)
 
 print_bin: print_common
 	@echo EXE=$(EXE)
diff --git a/configure-iphone b/configure-iphone
new file mode 100755
index 00000000..67d80dfd
--- /dev/null
+++ b/configure-iphone
@@ -0,0 +1,128 @@
+#!/bin/bash
+
+F="configure-iphone"
+
+if test "$*" = "--help" -o "$*" = "-h"; then
+  echo "$F [OPTIONS]"
+  echo ""
+  echo "where:"
+  echo "  OPTIONS    Other options that will be passed directly to"
+  echo "             ./aconfigure script. Run ./aconfigure --help"
+  echo "             for more info."
+  echo ""
+  echo "Environment variables:"
+  echo "  IPHONESDK  Optionally specify which SDK to use. Value is the full "
+  echo "             path of the SDK. By default, the latest SDK installed"
+  echo "             will be used."
+  echo "  CC         Optionally specify the path of the ARM cross compiler"
+  echo "             to use. By default, the compiler is deduced from the"
+  echo "             SDK."
+  echo ""
+  exit 0
+fi
+
+# Set the main iPhone developer directory, if not set
+if test "x${DEVPATH}" = "x"; then
+  DEVPATH=/Developer/Platforms/iPhoneOS.platform/Developer
+  echo "$F: DEVPATH is not specified, using ${DEVPATH}"
+fi
+
+# Make sure $DEVPATH directory exist
+if test ! -d $DEVPATH; then
+  echo "$F error: directory $DEVPATH does not exist. Please install iPhone development kit"
+  exit 1
+fi
+
+# Choose SDK version to use
+if test "$IPHONESDK" = ""; then
+  # If IPHONESDK is not set, use the latest one
+  for f in `ls $DEVPATH/SDKs/`; do echo $f | sed 's/\(.sdk\)//'; done | sort | tail -1 > tmpsdkname
+  IPHONESDK=`cat tmpsdkname`.sdk
+  rm -f tmpsdkname
+  SDKPATH=${DEVPATH}/SDKs/${IPHONESDK}
+  echo "$F: IPHONESDK is not specified, choosing ${IPHONESDK}"
+elif test -d ${IPHONESDK}; then
+  # .. else if IPHONESDK is set and it points to a valid path, just use it
+  SDKPATH=${IPHONESDK}
+else
+  # .. else assume the SDK name is used.
+  SDKPATH=${DEVPATH}/SDKs/${IPHONESDK}
+fi
+
+# Test the SDK directory
+if test ! -d ${SDKPATH}/usr/include; then
+  echo "$F error: unable to find valid iPhone SDK in ${SDKPATH}"
+  exit 1
+fi
+
+# Default CFLAGS if it's not specified
+if test "$CFLAGS" = ""; then
+  CFLAGS="-O2 -Wno-unused-label"
+fi
+
+# Default LDFLAGS if it's not specified
+if test "$LDFLAGS" = ""; then
+  LDFLAGS="-O2"
+fi
+
+# Determine which gcc for this SDK. Binaries should have the
+# full path as it's not normally in user's PATH
+
+if test "${CC}" = ""; then
+  for archpath in `ls -d ${SDKPATH}/usr/lib/gcc/arm-apple-darwin*`; do
+    archname=`basename ${archpath}`
+    for gccver in `ls ${archpath}`; do
+       gccpath="${DEVPATH}/usr/bin/${archname}-gcc-${gccver}"
+       if test -e ${gccpath}; then
+          export CC="${gccpath}"
+          break
+       fi
+    done
+    if test ! "${CC}" = ""; then
+       echo "$F: CC is not specified, choosing ${CC}"
+       break
+    fi
+  done
+fi
+
+if test "${CC}" = ""; then
+    echo "$F error: unable to find gcc for ${IPHONESDK}. If you think you have the right gcc, set the full path in CC environment variable."
+    exit 1
+fi
+
+# Set CXX if not set
+if test "${CXX}" = ""; then
+  export CXX=`echo ${CC} | sed 's/gcc/g++/'`
+  echo "$F: CXX is not specified, using ${CXX}"
+fi
+
+# Other settings to feed to configure script. 
+#ARCH="-arch armv6"
+export CFLAGS="${CFLAGS} ${ARCH} -isysroot ${SDKPATH}"
+export LDFLAGS="${LDFLAGS} ${ARCH} -isysroot ${SDKPATH} -framework AudioToolbox -framework Foundation"
+export AR="${DEVPATH}/usr/bin/libtool -static -o"
+export RANLIB="echo ranlib"
+# Use gcc -E as preprocessor instead of cpp, since cpp will find the
+# header files in standard /usr/include instead of in isysroot
+export CPP="${CC} -E -isysroot ${SDKPATH}"
+
+# Print settings
+if test "1" = "1"; then
+  echo "$F: calling ./aconfigure with env vars:"
+  echo " CC = ${CC}"
+  echo " CXX = ${CXX}"
+  echo " SDKPATH = ${SDKPATH}"
+  echo " CFLAGS = ${CFLAGS}"
+  echo " LDFLAGS = ${LDFLAGS}"
+  echo " AR = ${AR}"
+  echo " RANLIB = ${RANLIB}"
+fi
+
+# And finally invoke the configure script itself
+./aconfigure --host=arm-apple-darwin9 --disable-floating-point $*
+
+if test "$?" = "0"; then
+  echo "Done configuring for `basename $SDKPATH`"
+  echo ""
+fi
+
diff --git a/pjlib/include/pj/config_site_sample.h b/pjlib/include/pj/config_site_sample.h
index fde0b9d2..1e784c00 100644
--- a/pjlib/include/pj/config_site_sample.h
+++ b/pjlib/include/pj/config_site_sample.h
@@ -294,6 +294,69 @@
 
 #endif
 
+/*
+ * iPhone sample settings.
+ */
+#if PJ_CONFIG_IPHONE
+    /*
+     * PJLIB settings.
+     */
+
+    /* Disable floating point support */
+    #define PJ_HAS_FLOATING_POINT		0
+
+    /* Misc PJLIB setting */
+    #define PJ_MAXPATH				80
+
+    /*
+     * PJMEDIA settings
+     */
+
+    /* We have our own native CoreAudio backend */
+    #define PJMEDIA_AUDIO_DEV_HAS_PORTAUDIO	0
+    #define PJMEDIA_AUDIO_DEV_HAS_WMME		0
+    #define PJMEDIA_AUDIO_DEV_HAS_COREAUDIO	1
+
+    /* The CoreAudio backend has built-in echo canceller! */
+    #define PJMEDIA_HAS_SPEEX_AEC    0
+
+    /* Disable some codecs */
+    #define PJMEDIA_HAS_L16_CODEC		0
+    #define PJMEDIA_HAS_ILBC_CODEC		0
+    #define PJMEDIA_HAS_G722_CODEC		0
+
+    /* Fine tune Speex's default settings for best performance/quality */
+    #define PJMEDIA_CODEC_SPEEX_DEFAULT_QUALITY	5
+
+    /*
+     * PJSIP settings.
+     */
+
+    /* Increase allowable packet size, just in case */
+    #define PJSIP_MAX_PKT_LEN			2000
+
+    /*
+     * PJSUA settings.
+     */
+
+    /* Default codec quality, previously was set to 5, however it is now
+     * set to 4 to make sure pjsua instantiates resampler with small filter.
+     */
+    #define PJSUA_DEFAULT_CODEC_QUALITY		4
+
+    /* Set maximum number of dialog/transaction/calls to minimum */
+    #define PJSIP_MAX_TSX_COUNT 		31
+    #define PJSIP_MAX_DIALOG_COUNT 		31
+    #define PJSUA_MAX_CALLS			4
+
+    /* Other pjsua settings */
+    #define PJSUA_MAX_ACC			4
+    #define PJSUA_MAX_PLAYERS			4
+    #define PJSUA_MAX_RECORDERS			4
+    #define PJSUA_MAX_CONF_PORTS		(PJSUA_MAX_CALLS+2*PJSUA_MAX_PLAYERS)
+    #define PJSUA_MAX_BUDDIES			32
+
+#endif
 
 /*
  * Minimum size
diff --git a/pjmedia/src/pjmedia-codec/ilbc.c b/pjmedia/src/pjmedia-codec/ilbc.c
index 1c7fd1fe..b8ef74bd 100644
--- a/pjmedia/src/pjmedia-codec/ilbc.c
+++ b/pjmedia/src/pjmedia-codec/ilbc.c
@@ -30,9 +30,16 @@
 #include <pj/pool.h>
 #include <pj/string.h>
 #include <pj/os.h>
-#include "../../third_party/ilbc/iLBC_encode.h"
-#include "../../third_party/ilbc/iLBC_decode.h"
 
+#ifdef PJMEDIA_ILBC_CODEC_USE_COREAUDIO
+    #include <AudioToolbox/AudioToolbox.h>
+    #define iLBC_Enc_Inst_t AudioConverterRef
+    #define iLBC_Dec_Inst_t AudioConverterRef
+    #define BLOCKL_MAX 		1
+#else
+    #include "../../third_party/ilbc/iLBC_encode.h"
+    #include "../../third_party/ilbc/iLBC_decode.h"
+#endif
 
 /*
  * Only build this file if PJMEDIA_HAS_ILBC_CODEC != 0
@@ -131,6 +138,7 @@ struct ilbc_codec
     pj_bool_t		 plc_enabled;
     pj_timestamp	 last_tx;
 
+
     pj_bool_t		 enc_ready;
     iLBC_Enc_Inst_t	 enc;
     unsigned		 enc_frame_size;
@@ -142,6 +150,16 @@ struct ilbc_codec
     unsigned		 dec_frame_size;
     unsigned		 dec_samples_per_frame;
     float		 dec_block[BLOCKL_MAX];
+
+#ifdef PJMEDIA_ILBC_CODEC_USE_COREAUDIO
+    unsigned		 enc_total_packets;
+    char		 *enc_buffer;
+    unsigned		 enc_buffer_offset;
+
+    unsigned		 dec_total_packets;
+    char		 *dec_buffer;
+    unsigned		 dec_buffer_offset;
+#endif
 };
 
 static pj_str_t STR_MODE = {"mode", 4};
@@ -352,6 +370,18 @@ static pj_status_t ilbc_dealloc_codec( pjmedia_codec_factory *factory,
     PJ_ASSERT_RETURN(factory == &ilbc_factory.base, PJ_EINVAL);
 
     ilbc_codec = (struct ilbc_codec*) codec;
+
+#ifdef PJMEDIA_ILBC_CODEC_USE_COREAUDIO
+    if (ilbc_codec->enc) {
+	AudioConverterDispose(ilbc_codec->enc);
+	ilbc_codec->enc = NULL;
+    }
+    if (ilbc_codec->dec) {
+	AudioConverterDispose(ilbc_codec->dec);
+	ilbc_codec->dec = NULL;
+    }
+#endif
+
     pj_pool_release(ilbc_codec->pool);
 
     return PJ_SUCCESS;
@@ -380,6 +410,28 @@ static pj_status_t ilbc_codec_open(pjmedia_codec *codec,
     pj_uint16_t dec_fmtp_mode = DEFAULT_MODE, 
 		enc_fmtp_mode = DEFAULT_MODE;
 
+#ifdef PJMEDIA_ILBC_CODEC_USE_COREAUDIO
+    AudioStreamBasicDescription srcFormat, dstFormat;
+    UInt32 size;
+
+    srcFormat.mSampleRate       = attr->info.clock_rate;
+    srcFormat.mFormatID         = kAudioFormatLinearPCM;
+    srcFormat.mFormatFlags      = kLinearPCMFormatFlagIsSignedInteger
+				  | kLinearPCMFormatFlagIsPacked;
+    srcFormat.mBitsPerChannel   = attr->info.pcm_bits_per_sample;
+    srcFormat.mChannelsPerFrame = attr->info.channel_cnt;
+    srcFormat.mBytesPerFrame    = srcFormat.mChannelsPerFrame
+	                          * srcFormat.mBitsPerChannel >> 3;
+    srcFormat.mFramesPerPacket  = 1;
+    srcFormat.mBytesPerPacket   = srcFormat.mBytesPerFrame *
+				  srcFormat.mFramesPerPacket;
+
+    memset(&dstFormat, 0, sizeof(dstFormat));
+    dstFormat.mSampleRate 	= attr->info.clock_rate;
+    dstFormat.mFormatID 	= kAudioFormatiLBC;
+    dstFormat.mChannelsPerFrame = attr->info.channel_cnt;
+#endif
+
     pj_assert(ilbc_codec != NULL);
     pj_assert(ilbc_codec->enc_ready == PJ_FALSE && 
 	      ilbc_codec->dec_ready == PJ_FALSE);
@@ -427,14 +479,34 @@ static pj_status_t ilbc_codec_open(pjmedia_codec *codec,
     attr->info.frm_ptime = dec_fmtp_mode;
 
     /* Create encoder */
+#ifdef PJMEDIA_ILBC_CODEC_USE_COREAUDIO
+    dstFormat.mFramesPerPacket  = CLOCK_RATE * enc_fmtp_mode / 1000;
+    dstFormat.mBytesPerPacket   = (enc_fmtp_mode == 20? 38 : 50);
+
+    /* Use AudioFormat API to fill out the rest of the description */
+    size = sizeof(dstFormat);
+    AudioFormatGetProperty(kAudioFormatProperty_FormatInfo,
+ 	                   0, NULL, &size, &dstFormat);
+
+    if (AudioConverterNew(&srcFormat, &dstFormat, &ilbc_codec->enc) != noErr)
+	return PJMEDIA_CODEC_EFAILED;
+    ilbc_codec->enc_frame_size = (enc_fmtp_mode == 20? 38 : 50);
+#else
     ilbc_codec->enc_frame_size = initEncode(&ilbc_codec->enc, enc_fmtp_mode);
+#endif
     ilbc_codec->enc_samples_per_frame = CLOCK_RATE * enc_fmtp_mode / 1000;
     ilbc_codec->enc_ready = PJ_TRUE;
 
     /* Create decoder */
+#ifdef PJMEDIA_ILBC_CODEC_USE_COREAUDIO
+    if (AudioConverterNew(&dstFormat, &srcFormat, &ilbc_codec->dec) != noErr)
+	return PJMEDIA_CODEC_EFAILED;
+    ilbc_codec->dec_samples_per_frame = CLOCK_RATE * dec_fmtp_mode / 1000;
+#else
     ilbc_codec->dec_samples_per_frame = initDecode(&ilbc_codec->dec,
 						   dec_fmtp_mode,
 						   attr->setting.penh);
+#endif
     ilbc_codec->dec_frame_size = (dec_fmtp_mode == 20? 38 : 50);
     ilbc_codec->dec_ready = PJ_TRUE;
 
@@ -510,7 +582,7 @@ static pj_status_t  ilbc_codec_parse( pjmedia_codec *codec,
 	frames[count].buf = pkt;
 	frames[count].size = ilbc_codec->dec_frame_size;
 	frames[count].timestamp.u64 = ts->u64 + count * 
-					  ilbc_codec->dec_samples_per_frame;
+				      ilbc_codec->dec_samples_per_frame;
 
 	pkt = ((char*)pkt) + ilbc_codec->dec_frame_size;
 	pkt_size -= ilbc_codec->dec_frame_size;
@@ -522,6 +594,69 @@ static pj_status_t  ilbc_codec_parse( pjmedia_codec *codec,
     return PJ_SUCCESS;
 }
 
+#ifdef PJMEDIA_ILBC_CODEC_USE_COREAUDIO
+static OSStatus encodeDataProc (
+    AudioConverterRef             inAudioConverter,
+    UInt32                        *ioNumberDataPackets,
+    AudioBufferList               *ioData,
+    AudioStreamPacketDescription  **outDataPacketDescription,
+    void                          *inUserData
+)
+{
+    struct ilbc_codec *ilbc_codec = (struct ilbc_codec*)inUserData;
+
+    /* Initialize in case of failure */
+    ioData->mBuffers[0].mData = NULL;
+    ioData->mBuffers[0].mDataByteSize = 0;
+
+    if (ilbc_codec->enc_total_packets < *ioNumberDataPackets) {
+	*ioNumberDataPackets = ilbc_codec->enc_total_packets;
+    }
+
+    if (*ioNumberDataPackets) {
+	ioData->mBuffers[0].mData = ilbc_codec->enc_buffer +
+				    ilbc_codec->enc_buffer_offset;
+	ioData->mBuffers[0].mDataByteSize = *ioNumberDataPackets *
+					    ilbc_codec->enc_samples_per_frame
+					    << 1;
+	ilbc_codec->enc_buffer_offset += ioData->mBuffers[0].mDataByteSize;
+    }
+
+    ilbc_codec->enc_total_packets -= *ioNumberDataPackets;
+    return noErr;
+}
+
+static OSStatus decodeDataProc (
+    AudioConverterRef             inAudioConverter,
+    UInt32                        *ioNumberDataPackets,
+    AudioBufferList               *ioData,
+    AudioStreamPacketDescription  **outDataPacketDescription,
+    void                          *inUserData
+)
+{
+    struct ilbc_codec *ilbc_codec = (struct ilbc_codec*)inUserData;
+
+    /* Initialize in case of failure */
+    ioData->mBuffers[0].mData = NULL;
+    ioData->mBuffers[0].mDataByteSize = 0;
+
+    if (ilbc_codec->dec_total_packets < *ioNumberDataPackets) {
+	*ioNumberDataPackets = ilbc_codec->dec_total_packets;
+    }
+
+    if (*ioNumberDataPackets) {
+	ioData->mBuffers[0].mData = ilbc_codec->dec_buffer +
+				    ilbc_codec->dec_buffer_offset;
+	ioData->mBuffers[0].mDataByteSize = *ioNumberDataPackets *
+					    ilbc_codec->dec_frame_size;
+	ilbc_codec->dec_buffer_offset += ioData->mBuffers[0].mDataByteSize;
+    }
+
+    ilbc_codec->dec_total_packets -= *ioNumberDataPackets;
+    return noErr;
+}
+#endif
+
 /*
  * Encode frame.
  */
@@ -533,6 +668,11 @@ static pj_status_t ilbc_codec_encode(pjmedia_codec *codec,
     struct ilbc_codec *ilbc_codec = (struct ilbc_codec*)codec;
     pj_int16_t *pcm_in;
     unsigned nsamples;
+#ifdef PJMEDIA_ILBC_CODEC_USE_COREAUDIO
+    UInt32 npackets;
+    OSStatus err;
+    AudioBufferList theABL;
+#endif
 
     pj_assert(ilbc_codec && input && output);
 
@@ -573,6 +713,25 @@ static pj_status_t ilbc_codec_encode(pjmedia_codec *codec,
 
     /* Encode */
     output->size = 0;
+#ifdef PJMEDIA_ILBC_CODEC_USE_COREAUDIO
+    npackets = nsamples / ilbc_codec->enc_samples_per_frame;
+
+    theABL.mNumberBuffers = 1;
+    theABL.mBuffers[0].mNumberChannels = 1;
+    theABL.mBuffers[0].mDataByteSize = output_buf_len;
+    theABL.mBuffers[0].mData = output->buf;
+
+    ilbc_codec->enc_total_packets = npackets;
+    ilbc_codec->enc_buffer = (char *)input->buf;
+    ilbc_codec->enc_buffer_offset = 0;
+
+    err = AudioConverterFillComplexBuffer(ilbc_codec->enc, encodeDataProc,
+					  ilbc_codec, &npackets,
+					  &theABL, NULL);
+    if (err == noErr) {
+	output->size = npackets * ilbc_codec->enc_frame_size;
+    }
+#else
     while (nsamples >= ilbc_codec->enc_samples_per_frame) {
 	unsigned i;
 	
@@ -588,6 +747,7 @@ static pj_status_t ilbc_codec_encode(pjmedia_codec *codec,
 	output->size += ilbc_codec->enc.no_of_bytes;
 	nsamples -= ilbc_codec->enc_samples_per_frame;
     }
+#endif
 
     output->type = PJMEDIA_FRAME_TYPE_AUDIO;
     output->timestamp = input->timestamp;
@@ -604,7 +764,13 @@ static pj_status_t ilbc_codec_decode(pjmedia_codec *codec,
 				     struct pjmedia_frame *output)
 {
     struct ilbc_codec *ilbc_codec = (struct ilbc_codec*)codec;
+#ifdef PJMEDIA_ILBC_CODEC_USE_COREAUDIO
+    UInt32 npackets;
+    OSStatus err;
+    AudioBufferList theABL;
+#else
     unsigned i;
+#endif
 
     pj_assert(ilbc_codec != NULL);
     PJ_ASSERT_RETURN(input && output, PJ_EINVAL);
@@ -616,6 +782,26 @@ static pj_status_t ilbc_codec_decode(pjmedia_codec *codec,
 	return PJMEDIA_CODEC_EFRMINLEN;
 
     /* Decode to temporary buffer */
+#ifdef PJMEDIA_ILBC_CODEC_USE_COREAUDIO
+    npackets = input->size / ilbc_codec->dec_frame_size *
+	       ilbc_codec->dec_samples_per_frame;
+
+    theABL.mNumberBuffers = 1;
+    theABL.mBuffers[0].mNumberChannels = 1;
+    theABL.mBuffers[0].mDataByteSize = output_buf_len;
+    theABL.mBuffers[0].mData = output->buf;
+
+    ilbc_codec->dec_total_packets = npackets;
+    ilbc_codec->dec_buffer = (char *)input->buf;
+    ilbc_codec->dec_buffer_offset = 0;
+
+    err = AudioConverterFillComplexBuffer(ilbc_codec->dec, decodeDataProc,
+					  ilbc_codec, &npackets,
+					  &theABL, NULL);
+    if (err == noErr) {
+	output->size = npackets * (ilbc_codec->dec_samples_per_frame << 1);
+    }
+#else
     iLBC_decode(ilbc_codec->dec_block, (unsigned char*) input->buf,
 		&ilbc_codec->dec, 1);
 
@@ -624,6 +810,8 @@ static pj_status_t ilbc_codec_decode(pjmedia_codec *codec,
 	((short*)output->buf)[i] = (short)ilbc_codec->dec_block[i];
     }
     output->size = (ilbc_codec->dec_samples_per_frame << 1);
+#endif
+
     output->type = PJMEDIA_FRAME_TYPE_AUDIO;
     output->timestamp = input->timestamp;
 
@@ -639,7 +827,13 @@ static pj_status_t  ilbc_codec_recover(pjmedia_codec *codec,
 				      struct pjmedia_frame *output)
 {
     struct ilbc_codec *ilbc_codec = (struct ilbc_codec*)codec;
+#ifdef PJMEDIA_ILBC_CODEC_USE_COREAUDIO
+    UInt32 npackets;
+    OSStatus err;
+    AudioBufferList theABL;
+#else
     unsigned i;
+#endif
 
     pj_assert(ilbc_codec != NULL);
     PJ_ASSERT_RETURN(output, PJ_EINVAL);
@@ -648,6 +842,29 @@ static pj_status_t  ilbc_codec_recover(pjmedia_codec *codec,
 	return PJMEDIA_CODEC_EPCMTOOSHORT;
 
     /* Decode to temporary buffer */
+#ifdef PJMEDIA_ILBC_CODEC_USE_COREAUDIO
+    npackets = 1;
+
+    theABL.mNumberBuffers = 1;
+    theABL.mBuffers[0].mNumberChannels = 1;
+    theABL.mBuffers[0].mDataByteSize = output_buf_len;
+    theABL.mBuffers[0].mData = output->buf;
+
+    ilbc_codec->dec_total_packets = npackets;
+    ilbc_codec->dec_buffer_offset = 0;
+    if (ilbc_codec->dec_buffer) {
+	err = AudioConverterFillComplexBuffer(ilbc_codec->dec, decodeDataProc,
+					      ilbc_codec, &npackets,
+					      &theABL, NULL);
+	if (err == noErr) {
+	    output->size = npackets *
+		           (ilbc_codec->dec_samples_per_frame << 1);
+	}
+    } else {
+	output->size = npackets * (ilbc_codec->dec_samples_per_frame << 1);
+	pj_bzero(output->buf, output->size);
+    }
+#else
     iLBC_decode(ilbc_codec->dec_block, NULL, &ilbc_codec->dec, 0);
 
     /* Convert decodec samples from float to short */
@@ -655,6 +872,7 @@ static pj_status_t  ilbc_codec_recover(pjmedia_codec *codec,
 	((short*)output->buf)[i] = (short)ilbc_codec->dec_block[i];
     }
     output->size = (ilbc_codec->dec_samples_per_frame << 1);
+#endif
     output->type = PJMEDIA_FRAME_TYPE_AUDIO;
 
     return PJ_SUCCESS;
@@ -662,4 +880,3 @@ static pj_status_t  ilbc_codec_recover(pjmedia_codec *codec,
 
 
 #endif	/* PJMEDIA_HAS_ILBC_CODEC */
-
diff --git a/pjsip-apps/src/ipjsua/Classes/ConfigViewController.h b/pjsip-apps/src/ipjsua/Classes/ConfigViewController.h
new file mode 100644
index 00000000..6fa613a3
--- /dev/null
+++ b/pjsip-apps/src/ipjsua/Classes/ConfigViewController.h
@@ -0,0 +1,22 @@
+//
+//  ConfigViewController.h
+//  ipjsua
+//
+//  Created by Liong Sauw Ming on 3/25/10.
+//  Copyright 2010 Teluu Inc. (http://www.teluu.com). All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+
+@interface ConfigViewController : UIViewController {
+    IBOutlet UITextView *textView;
+    IBOutlet UIButton	*button1;
+    IBOutlet UIButton	*button2;
+}
+
+@property (nonatomic, retain) IBOutlet UITextView *textView;
+@property (nonatomic, retain) IBOutlet UIButton *button1;
+@property (nonatomic, retain) IBOutlet UIButton *button2;
+
+@end
diff --git a/pjsip-apps/src/ipjsua/Classes/ConfigViewController.m b/pjsip-apps/src/ipjsua/Classes/ConfigViewController.m
new file mode 100644
index 00000000..7287e8c3
--- /dev/null
+++ b/pjsip-apps/src/ipjsua/Classes/ConfigViewController.m
@@ -0,0 +1,148 @@
+//
+//  ConfigViewController.m
+//  ipjsua
+//
+//  Created by Liong Sauw Ming on 3/25/10.
+//  Copyright 2010 Teluu Inc. (http://www.teluu.com). All rights reserved.
+//
+
+#import "ConfigViewController.h"
+#import "ipjsuaAppDelegate.h"
+
+
+@implementation ConfigViewController
+@synthesize textView;
+@synthesize button1;
+@synthesize button2;
+
+bool kshow = false;
+
+/*
+ // The designated initializer.  Override if you create the controller programmatically and want to perform customization that is not appropriate for viewDidLoad.
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+    if (self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]) {
+        // Custom initialization
+    }
+    return self;
+}
+*/
+
+/*
+// Implement loadView to create a view hierarchy programmatically, without using a nib.
+- (void)loadView {
+}
+*/
+
+- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
+{
+    // Dismiss the keyboard when the view outside the text view is touched.
+    [textView resignFirstResponder];
+    [super touchesBegan:touches withEvent:event];
+}
+
+// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    
+    [textView setFont:[UIFont fontWithName:@"Courier" size:10]];
+    ipjsuaAppDelegate *appd = (ipjsuaAppDelegate *)[[UIApplication sharedApplication] delegate];
+    appd.cfgView = self;
+    
+    /* Load config file and display it in the text view */
+    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
+    NSString *cfgPath = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"/config.cfg"];
+    textView.text = [NSMutableString stringWithContentsOfFile:cfgPath encoding:NSASCIIStringEncoding error:NULL];
+    
+    /* Add keyboard show/hide notifications so that we can resize the text view */
+    kshow = false;
+    NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
+    [nc addObserver:self selector:@selector(keyboardWillShow:) name: UIKeyboardWillShowNotification object:nil];
+    [nc addObserver:self selector:@selector(keyboardWillHide:) name: UIKeyboardWillHideNotification object:nil];
+    
+    /* Add button press event-handlers */
+    [self.button1 addTarget:self action:@selector(button1Pressed:) forControlEvents:(UIControlEvents)UIControlEventTouchDown];
+    [self.button2 addTarget:self action:@selector(button2Pressed:) forControlEvents:(UIControlEvents)UIControlEventTouchDown];
+}
+
+-(void) keyboardWillShow:(NSNotification *) note
+{
+    if (kshow) return;
+    
+    /* Shrink the text view area when the keyboard appears */
+    [UIView beginAnimations:nil context:NULL];
+    [UIView setAnimationDuration:0.3];
+    CGRect r  = self.textView.frame, t;
+    [[note.userInfo valueForKey:UIKeyboardBoundsUserInfoKey] getValue: &t];
+    r.size.height -=  t.size.height - 51;
+    self.textView.frame = r;
+    [UIView commitAnimations];
+    kshow = true;
+    
+    [self.button1 setEnabled:true];
+    [self.button1.titleLabel setEnabled:true];
+    [self.button2 setEnabled:true];
+    [self.button2.titleLabel setEnabled:true];
+}
+
+-(void) keyboardWillHide:(NSNotification *) note
+{
+    CGRect r  = self.textView.frame, t;
+    [[note.userInfo valueForKey:UIKeyboardBoundsUserInfoKey] getValue: &t];
+    r.size.height +=  t.size.height - 51;
+    self.textView.frame = r;
+    kshow = false;
+}
+
+- (void)button1Pressed:(id)sender {
+    /* Save the config file */
+    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
+    NSString *cfgPath = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"/config.cfg"];
+    [self.textView.text writeToFile:cfgPath atomically:NO encoding:NSASCIIStringEncoding error:NULL];
+    
+    [self.textView resignFirstResponder];
+    [self.button1 setEnabled:false];
+    [self.button1.titleLabel setEnabled:false];
+    [self.button2 setEnabled:false];
+    [self.button2.titleLabel setEnabled:false];
+}
+
+- (void)button2Pressed:(id)sender {
+    /* Reload the config file */
+    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
+    NSString *cfgPath = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"/config.cfg"];
+    self.textView.text = [NSMutableString stringWithContentsOfFile:cfgPath encoding:NSASCIIStringEncoding error:NULL];
+    
+    [self.textView resignFirstResponder];
+    [self.button1 setEnabled:false];
+    [self.button1.titleLabel setEnabled:false];
+    [self.button2 setEnabled:false];
+    [self.button2.titleLabel setEnabled:false];
+}
+
+/*
+// Override to allow orientations other than the default portrait orientation.
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
+    // Return YES for supported orientations
+    return (interfaceOrientation == UIInterfaceOrientationPortrait);
+}
+*/
+
+- (void)didReceiveMemoryWarning {
+    // Releases the view if it doesn't have a superview.
+    [super didReceiveMemoryWarning];
+	
+    // Release any cached data, images, etc that aren't in use.
+}
+
+- (void)viewDidUnload {
+    // Release any retained subviews of the main view.
+    // e.g. self.myOutlet = nil;
+}
+
+
+- (void)dealloc {
+    [super dealloc];
+}
+
+
+@end
diff --git a/pjsip-apps/src/ipjsua/Classes/FirstViewController.h b/pjsip-apps/src/ipjsua/Classes/FirstViewController.h
new file mode 100644
index 00000000..835fe4aa
--- /dev/null
+++ b/pjsip-apps/src/ipjsua/Classes/FirstViewController.h
@@ -0,0 +1,27 @@
+//
+//  FirstViewController.h
+//  ipjsua
+//
+//  Created by Liong Sauw Ming on 3/23/10.
+//  Copyright Teluu Inc. (http://www.teluu.com) 2010. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+
+@interface FirstViewController : UIViewController<UITextFieldDelegate> {
+    IBOutlet UITextField *textField;
+    IBOutlet UITextView  *textView;
+    IBOutlet UIButton	 *button1;
+
+    NSString		 *text;
+    bool		 hasInput;
+}
+
+@property (nonatomic, retain) IBOutlet UITextField *textField;
+@property (nonatomic, retain) IBOutlet UITextView *textView;
+@property (nonatomic, retain) IBOutlet UIButton *button1;
+@property (nonatomic, retain) NSString *text;
+@property (nonatomic) bool hasInput;
+
+@end
diff --git a/pjsip-apps/src/ipjsua/Classes/FirstViewController.m b/pjsip-apps/src/ipjsua/Classes/FirstViewController.m
new file mode 100644
index 00000000..8cd37e8f
--- /dev/null
+++ b/pjsip-apps/src/ipjsua/Classes/FirstViewController.m
@@ -0,0 +1,95 @@
+//
+//  FirstViewController.m
+//  ipjsua
+//
+//  Created by Liong Sauw Ming on 3/23/10.
+//  Copyright Teluu Inc. (http://www.teluu.com) 2010. All rights reserved.
+//
+
+#import "FirstViewController.h"
+#import "ipjsuaAppDelegate.h"
+
+
+@implementation FirstViewController
+@synthesize textField;
+@synthesize textView;
+@synthesize button1;
+@synthesize text;
+@synthesize hasInput;
+
+- (BOOL)textFieldShouldReturn:(UITextField *)theTextField {
+    // When the user presses return, take focus away from the text field so that the keyboard is dismissed.
+    if (theTextField == textField) {
+	[self.textField resignFirstResponder];
+	self.hasInput = true;
+        self.text = [textField.text stringByAppendingString:@"\n"];
+	textField.text = @"";
+    }
+    return YES;
+}
+
+
+- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
+{
+    // Dismiss the keyboard when the view outside the text field is touched.
+    [textField resignFirstResponder];
+    [super touchesBegan:touches withEvent:event];
+}
+
+/*
+// The designated initializer. Override to perform setup that is required before the view is loaded.
+- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+    if (self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]) {
+        // Custom initialization
+    }
+    return self;
+}
+*/
+
+/*
+// Implement loadView to create a view hierarchy programmatically, without using a nib.
+- (void)loadView {
+}
+*/
+
+// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    
+    ipjsuaAppDelegate *appd = (ipjsuaAppDelegate *)[[UIApplication sharedApplication] delegate];
+    appd.mainView = self;
+    textField.delegate = self;
+    [self.textView setFont:[UIFont fontWithName:@"Courier New" size:8.9]];
+    [self.textField setEnabled: false];
+    [button1 addTarget:self action:@selector(button1Pressed:) forControlEvents:(UIControlEvents)UIControlEventTouchDown];
+}
+
+- (void)button1Pressed:(id)sender {
+    /* Clear the text view */
+    self.textView.text = @"";
+}
+
+// Override to allow orientations other than the default portrait orientation.
+- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
+    // Return YES for supported orientations
+    return (interfaceOrientation == UIInterfaceOrientationLandscapeRight);
+}
+
+- (void)didReceiveMemoryWarning {
+    // Releases the view if it doesn't have a superview.
+    [super didReceiveMemoryWarning];
+	
+    // Release any cached data, images, etc that aren't in use.
+}
+
+- (void)viewDidUnload {
+    // Release any retained subviews of the main view.
+    // e.g. self.myOutlet = nil;
+}
+
+
+- (void)dealloc {
+    [super dealloc];
+}
+
+@end
diff --git a/pjsip-apps/src/ipjsua/Classes/TabBarController.h b/pjsip-apps/src/ipjsua/Classes/TabBarController.h
new file mode 100644
index 00000000..90cb2244
--- /dev/null
+++ b/pjsip-apps/src/ipjsua/Classes/TabBarController.h
@@ -0,0 +1,16 @@
+//
+//  TabBarController.h
+//  ipjsua
+//
+//  Created by Liong Sauw Ming on 3/24/10.
+//  Copyright 2010 Teluu Inc. (http://www.teluu.com). All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+
+@interface TabBarController : UITabBarController {
+
+}
+
+@end
diff --git a/pjsip-apps/src/ipjsua/Classes/TabBarController.m b/pjsip-apps/src/ipjsua/Classes/TabBarController.m
new file mode 100644
index 00000000..c5dcaa5d
--- /dev/null
+++ b/pjsip-apps/src/ipjsua/Classes/TabBarController.m
@@ -0,0 +1,20 @@
+//
+//  TabBarController.m
+//  ipjsua
+//
+//  Created by Liong Sauw Ming on 3/24/10.
+//  Copyright 2010 Teluu Inc. (http://www.teluu.com). All rights reserved.
+//
+
+#import "TabBarController.h"
+
+
+@implementation TabBarController
+
+// Override to allow orientations other than the default portrait orientation.
+- (BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
+    // Return YES for supported orientations
+    return (interfaceOrientation == UIInterfaceOrientationLandscapeRight);
+}
+
+@end
diff --git a/pjsip-apps/src/ipjsua/Classes/ipjsuaAppDelegate.h b/pjsip-apps/src/ipjsua/Classes/ipjsuaAppDelegate.h
new file mode 100644
index 00000000..2a230c9e
--- /dev/null
+++ b/pjsip-apps/src/ipjsua/Classes/ipjsuaAppDelegate.h
@@ -0,0 +1,27 @@
+//
+//  ipjsuaAppDelegate.h
+//  ipjsua
+//
+//  Created by Liong Sauw Ming on 3/23/10.
+//  Copyright Teluu Inc. (http://www.teluu.com) 2010. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+#import "ConfigViewController.h"
+#import "FirstViewController.h"
+#import "TabBarController.h"
+
+@interface ipjsuaAppDelegate : NSObject <UIApplicationDelegate, UITabBarControllerDelegate> {
+    UIWindow		 *window;
+    ConfigViewController *cfgView;
+    FirstViewController  *mainView;
+    TabBarController	 *tabBarController;
+}
+
+@property (nonatomic, retain) IBOutlet UIWindow *window;
+@property (nonatomic, retain) IBOutlet TabBarController *tabBarController;
+@property (nonatomic, retain) IBOutlet ConfigViewController *cfgView;
+@property (nonatomic, retain) FirstViewController *mainView;
+
+
+@end
diff --git a/pjsip-apps/src/ipjsua/Classes/ipjsuaAppDelegate.m b/pjsip-apps/src/ipjsua/Classes/ipjsuaAppDelegate.m
new file mode 100644
index 00000000..7c1b4c7a
--- /dev/null
+++ b/pjsip-apps/src/ipjsua/Classes/ipjsuaAppDelegate.m
@@ -0,0 +1,180 @@
+//
+//  ipjsuaAppDelegate.m
+//  ipjsua
+//
+//  Created by Liong Sauw Ming on 3/23/10.
+//  Copyright Teluu Inc. (http://www.teluu.com) 2010. All rights reserved.
+//
+
+#import <pjlib.h>
+#import "ipjsuaAppDelegate.h"
+
+extern pj_log_func *log_cb;
+
+@implementation ipjsuaAppDelegate
+@synthesize window;
+@synthesize tabBarController;
+@synthesize mainView;
+@synthesize cfgView;
+
+/* Sleep interval duration */
+#define SLEEP_INTERVAL	0.5
+/* Determine whether we should print the messages in the debugger
+ * console as well
+ */
+#define DEBUGGER_PRINT	1
+/* Whether we should show pj log messages in the text area */
+#define SHOW_LOG	1
+#define PATH_LENGTH	128
+
+extern pj_bool_t app_restart;
+
+char argv_buf[PATH_LENGTH];
+char *argv[] = {"", "--config-file", argv_buf};
+
+ipjsuaAppDelegate	*app;
+
+bool			app_running;
+bool			thread_quit;
+NSMutableString		*mstr;
+
+pj_status_t app_init(int argc, char *argv[]);
+pj_status_t app_main(void);
+pj_status_t app_destroy(void);
+
+void showMsg(const char *format, ...)
+{
+    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+    va_list arg;
+    
+    va_start(arg, format);
+    NSString *str = [[NSString alloc] initWithFormat:[NSString stringWithFormat:@"%s", format] arguments: arg];
+#if DEBUGGER_PRINT
+    NSLog(str);
+#endif
+    va_end(arg);
+    
+    [mstr appendString:str];
+    [pool release];
+}
+
+char * getInput(char *s, int n, FILE *stream)
+{
+    if (stream != stdin) {
+	return fgets(s, n, stream);
+    }
+    
+    app.mainView.hasInput = false;
+    [app.mainView.textField setEnabled: true];
+    [app performSelectorOnMainThread:@selector(displayMsg:) withObject:mstr waitUntilDone:YES];
+    [mstr setString:@""];
+    
+    while (!thread_quit && !app.mainView.hasInput) {
+	int ctr = 0;
+	[NSThread sleepForTimeInterval:SLEEP_INTERVAL];
+	if (ctr == 4) {
+	    [app performSelectorOnMainThread:@selector(displayMsg:) withObject:mstr waitUntilDone:YES];
+	    [mstr setString:@""];
+	    ctr = 0;
+	}
+	ctr++;
+    }
+    
+    [app.mainView.text getCString:s maxLength:n encoding:NSASCIIStringEncoding];
+    [app.mainView.textField setEnabled: false];    
+    [app performSelectorOnMainThread:@selector(displayMsg:) withObject:app.mainView.text waitUntilDone:NO];
+    
+    return s;
+}
+
+void showLog(int level, const char *data, int len)
+{
+    showMsg("%s", data);
+}
+
+- (void)start_app {
+    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+    /* Wait until the view is ready */
+    while (self.mainView == nil) {
+	[NSThread sleepForTimeInterval:SLEEP_INTERVAL];
+    }    
+
+    [NSThread setThreadPriority:1.0];
+    mstr = [NSMutableString stringWithCapacity:4196];
+#if SHOW_LOG
+    pj_log_set_log_func(&showLog);
+    log_cb = &showLog;
+#endif
+    
+    do {
+	app_restart = PJ_FALSE;
+	if (app_init(3, argv) != PJ_SUCCESS) {
+	    NSString *str = @"Failed to initialize pjsua\n";
+	    [app performSelectorOnMainThread:@selector(displayMsg:) withObject:str waitUntilDone:YES];
+	} else {
+	    app_running = true;
+	    app_main();
+	    
+	    app_destroy();
+	    /* This is on purpose */
+	    app_destroy();
+	}
+
+	[app performSelectorOnMainThread:@selector(displayMsg:) withObject:mstr waitUntilDone:YES];
+	[mstr setString:@""];
+    } while (app_restart);
+    
+    [pool release];
+}
+
+- (void)displayMsg:(NSString *)str {
+    self.mainView.textView.text = [self.mainView.textView.text stringByAppendingString:str];
+    [self.mainView.textView scrollRangeToVisible:NSMakeRange([self.mainView.textView.text length] - 1, 1)];
+}
+
+- (void)applicationDidFinishLaunching:(UIApplication *)application {
+    /* If there is no config file in the document dir, copy the default config file into the directory */ 
+    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
+    NSString *cfgPath = [[paths objectAtIndex:0] stringByAppendingPathComponent:@"/config.cfg"];
+    if (![[NSFileManager defaultManager] fileExistsAtPath:cfgPath]) {
+	NSString *resPath = [[NSBundle mainBundle] pathForResource:@"config" ofType:@"cfg"];
+	NSString *cfg = [NSString stringWithContentsOfFile:resPath encoding:NSASCIIStringEncoding error:NULL];
+	[cfg writeToFile:cfgPath atomically:NO encoding:NSASCIIStringEncoding error:NULL];
+    }
+    [cfgPath getCString:argv[2] maxLength:PATH_LENGTH encoding:NSASCIIStringEncoding];    
+    
+    // Add the tab bar controller's current view as a subview of the window
+    [window addSubview:tabBarController.view];
+    [window makeKeyAndVisible];
+
+    app = self;
+    app_running = false;
+    thread_quit = false;
+    /* Start pjsua thread */
+    [NSThread detachNewThreadSelector:@selector(start_app) toTarget:self withObject:nil];
+}
+
+/*
+// Optional UITabBarControllerDelegate method
+- (void)tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController {
+}
+*/
+
+/*
+// Optional UITabBarControllerDelegate method
+- (void)tabBarController:(UITabBarController *)tabBarController didEndCustomizingViewControllers:(NSArray *)viewControllers changed:(BOOL)changed {
+}
+*/
+
+
+- (void)dealloc {
+    thread_quit = true;
+    [NSThread sleepForTimeInterval:SLEEP_INTERVAL];
+    
+    [tabBarController release];
+    [window release];
+    [super dealloc];
+}
+
+@end
+
diff --git a/pjsip-apps/src/ipjsua/MainWindow.xib b/pjsip-apps/src/ipjsua/MainWindow.xib
new file mode 100644
index 00000000..dfdc90fa
--- /dev/null
+++ b/pjsip-apps/src/ipjsua/MainWindow.xib
@@ -0,0 +1,780 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="7.10">
+	<data>
+		<int key="IBDocument.SystemTarget">784</int>
+		<string key="IBDocument.SystemVersion">10C540</string>
+		<string key="IBDocument.InterfaceBuilderVersion">740</string>
+		<string key="IBDocument.AppKitVersion">1038.25</string>
+		<string key="IBDocument.HIToolboxVersion">458.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			<string key="NS.object.0">62</string>
+		</object>
+		<object class="NSMutableArray" key="IBDocument.EditedObjectIDs">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<integer value="106"/>
+		</object>
+		<object class="NSArray" key="IBDocument.PluginDependencies">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</object>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<object class="NSArray" key="dict.sortedKeys" id="0">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+			</object>
+			<object class="NSMutableArray" key="dict.values">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+			</object>
+		</object>
+		<object class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<object class="IBProxyObject" id="841351856">
+				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
+			</object>
+			<object class="IBProxyObject" id="532797962">
+				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
+			</object>
+			<object class="IBUICustomObject" id="664661524"/>
+			<object class="IBUIWindow" id="380026005">
+				<nil key="NSNextResponder"/>
+				<int key="NSvFlags">1316</int>
+				<object class="NSPSMatrix" key="NSFrameMatrix"/>
+				<string key="NSFrameSize">{320, 480}</string>
+				<object class="NSColor" key="IBUIBackgroundColor">
+					<int key="NSColorSpace">1</int>
+					<bytes key="NSRGB">MSAxIDEAA</bytes>
+				</object>
+				<bool key="IBUIOpaque">NO</bool>
+				<bool key="IBUIClearsContextBeforeDrawing">NO</bool>
+				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics"/>
+				<bool key="IBUIVisibleAtLaunch">YES</bool>
+			</object>
+			<object class="IBUITabBarController" id="1034742383">
+				<object class="IBUISimulatedTabBarMetrics" key="IBUISimulatedBottomBarMetrics"/>
+				<object class="IBUISimulatedNavigationBarMetrics" key="IBUISimulatedTopBarMetrics">
+					<int key="IBUIBarStyle">2</int>
+					<bool key="IBUIPrompted">NO</bool>
+				</object>
+				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics">
+					<int key="IBUIStatusBarStyle">2</int>
+				</object>
+				<bool key="IBUIHorizontal">YES</bool>
+				<object class="IBUIViewController" key="IBUISelectedViewController" id="1024858337">
+					<object class="IBUIView" key="IBUIView" id="434903890">
+						<reference key="NSNextResponder"/>
+						<int key="NSvFlags">274</int>
+						<object class="NSMutableArray" key="NSSubviews">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+							<object class="IBUITextView" id="876077251">
+								<reference key="NSNextResponder" ref="434903890"/>
+								<int key="NSvFlags">306</int>
+								<string key="NSFrame">{{0, 34}, {480, 217}}</string>
+								<reference key="NSSuperview" ref="434903890"/>
+								<object class="NSColor" key="IBUIBackgroundColor">
+									<int key="NSColorSpace">1</int>
+									<bytes key="NSRGB">MC45ODE5Mjc3MTA4IDAuOTYzODU1NDIxNyAxIDAAA</bytes>
+								</object>
+								<bool key="IBUIOpaque">NO</bool>
+								<bool key="IBUIClipsSubviews">YES</bool>
+								<bool key="IBUIMultipleTouchEnabled">YES</bool>
+								<bool key="IBUIDelaysContentTouches">NO</bool>
+								<bool key="IBUICanCancelContentTouches">NO</bool>
+								<float key="IBUIMinimumZoomScale">0.0</float>
+								<float key="IBUIMaximumZoomScale">0.0</float>
+								<bool key="IBUIBouncesZoom">NO</bool>
+								<bool key="IBUIEditable">NO</bool>
+								<string key="IBUIText"/>
+								<object class="IBUITextInputTraits" key="IBUITextInputTraits"/>
+							</object>
+							<object class="IBUITextField" id="625972407">
+								<reference key="NSNextResponder" ref="434903890"/>
+								<int key="NSvFlags">292</int>
+								<string key="NSFrame">{{7, 0}, {323, 31}}</string>
+								<reference key="NSSuperview" ref="434903890"/>
+								<bool key="IBUIOpaque">NO</bool>
+								<bool key="IBUIClearsContextBeforeDrawing">NO</bool>
+								<int key="IBUIContentVerticalAlignment">0</int>
+								<string key="IBUIText"/>
+								<int key="IBUIBorderStyle">3</int>
+								<string key="IBUIPlaceholder">Insert command here</string>
+								<object class="NSColor" key="IBUITextColor">
+									<int key="NSColorSpace">3</int>
+									<bytes key="NSWhite">MAA</bytes>
+									<object class="NSColorSpace" key="NSCustomColorSpace">
+										<int key="NSID">2</int>
+									</object>
+								</object>
+								<bool key="IBUIAdjustsFontSizeToFit">YES</bool>
+								<float key="IBUIMinimumFontSize">17</float>
+								<object class="IBUITextInputTraits" key="IBUITextInputTraits">
+									<int key="IBUIAutocorrectionType">1</int>
+									<int key="IBUIKeyboardType">1</int>
+									<int key="IBUIReturnKeyType">1</int>
+								</object>
+								<int key="IBUIClearButtonMode">1</int>
+							</object>
+							<object class="IBUIButton" id="808516100">
+								<reference key="NSNextResponder" ref="434903890"/>
+								<int key="NSvFlags">292</int>
+								<string key="NSFrame">{{351, 0}, {90, 32}}</string>
+								<reference key="NSSuperview" ref="434903890"/>
+								<bool key="IBUIOpaque">NO</bool>
+								<bool key="IBUIClearsContextBeforeDrawing">NO</bool>
+								<int key="IBUIContentHorizontalAlignment">0</int>
+								<int key="IBUIContentVerticalAlignment">0</int>
+								<object class="NSFont" key="IBUIFont">
+									<string key="NSName">Helvetica-Bold</string>
+									<double key="NSSize">15</double>
+									<int key="NSfFlags">16</int>
+								</object>
+								<int key="IBUIButtonType">1</int>
+								<string key="IBUINormalTitle">Clear view</string>
+								<object class="NSColor" key="IBUIHighlightedTitleColor">
+									<int key="NSColorSpace">3</int>
+									<bytes key="NSWhite">MQA</bytes>
+								</object>
+								<object class="NSColor" key="IBUINormalTitleColor">
+									<int key="NSColorSpace">1</int>
+									<bytes key="NSRGB">MC4xOTYwNzg0MyAwLjMwOTgwMzkzIDAuNTIxNTY4NjYAA</bytes>
+								</object>
+								<object class="NSColor" key="IBUINormalTitleShadowColor">
+									<int key="NSColorSpace">3</int>
+									<bytes key="NSWhite">MC41AA</bytes>
+								</object>
+							</object>
+						</object>
+						<string key="NSFrameSize">{480, 251}</string>
+						<reference key="NSSuperview"/>
+						<object class="NSColor" key="IBUIBackgroundColor">
+							<int key="NSColorSpace">1</int>
+							<bytes key="NSRGB">MC42NDQxOTgyNzA4IDAuNzgwNDMyODUxOSAwLjg2NDEzMDQzNDgAA</bytes>
+						</object>
+						<bool key="IBUIClearsContextBeforeDrawing">NO</bool>
+					</object>
+					<object class="IBUITabBarItem" key="IBUITabBarItem" id="765670903">
+						<string key="IBUITitle">ipjsua</string>
+						<reference key="IBUITabBar"/>
+					</object>
+					<reference key="IBUIParentViewController" ref="1034742383"/>
+				</object>
+				<object class="NSMutableArray" key="IBUIViewControllers">
+					<bool key="EncodedWithXMLCoder">YES</bool>
+					<reference ref="1024858337"/>
+					<object class="IBUIViewController" id="268481961">
+						<object class="IBUITabBarItem" key="IBUITabBarItem" id="807309489">
+							<string key="IBUITitle">Config</string>
+							<reference key="IBUITabBar"/>
+						</object>
+						<reference key="IBUIParentViewController" ref="1034742383"/>
+						<string key="IBUINibName">SecondView</string>
+					</object>
+				</object>
+				<object class="IBUITabBar" key="IBUITabBar" id="795333663">
+					<nil key="NSNextResponder"/>
+					<int key="NSvFlags">266</int>
+					<string key="NSFrame">{{129, 330}, {163, 49}}</string>
+					<object class="NSColor" key="IBUIBackgroundColor">
+						<int key="NSColorSpace">3</int>
+						<bytes key="NSWhite">MCAwAA</bytes>
+					</object>
+					<bool key="IBUIClearsContextBeforeDrawing">NO</bool>
+				</object>
+			</object>
+		</object>
+		<object class="IBObjectContainer" key="IBDocument.Objects">
+			<object class="NSMutableArray" key="connectionRecords">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">window</string>
+						<reference key="source" ref="664661524"/>
+						<reference key="destination" ref="380026005"/>
+					</object>
+					<int key="connectionID">9</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">delegate</string>
+						<reference key="source" ref="841351856"/>
+						<reference key="destination" ref="664661524"/>
+					</object>
+					<int key="connectionID">99</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">tabBarController</string>
+						<reference key="source" ref="664661524"/>
+						<reference key="destination" ref="1034742383"/>
+					</object>
+					<int key="connectionID">113</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">textField</string>
+						<reference key="source" ref="1024858337"/>
+						<reference key="destination" ref="625972407"/>
+					</object>
+					<int key="connectionID">129</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">textView</string>
+						<reference key="source" ref="1024858337"/>
+						<reference key="destination" ref="876077251"/>
+					</object>
+					<int key="connectionID">135</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">delegate</string>
+						<reference key="source" ref="1034742383"/>
+						<reference key="destination" ref="664661524"/>
+					</object>
+					<int key="connectionID">136</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">button1</string>
+						<reference key="source" ref="1024858337"/>
+						<reference key="destination" ref="808516100"/>
+					</object>
+					<int key="connectionID">140</int>
+				</object>
+			</object>
+			<object class="IBMutableOrderedSet" key="objectRecords">
+				<object class="NSArray" key="orderedObjects">
+					<bool key="EncodedWithXMLCoder">YES</bool>
+					<object class="IBObjectRecord">
+						<int key="objectID">0</int>
+						<reference key="object" ref="0"/>
+						<reference key="children" ref="1000"/>
+						<nil key="parent"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">2</int>
+						<reference key="object" ref="380026005"/>
+						<object class="NSMutableArray" key="children">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+						</object>
+						<reference key="parent" ref="0"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">-1</int>
+						<reference key="object" ref="841351856"/>
+						<reference key="parent" ref="0"/>
+						<string key="objectName">File's Owner</string>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">3</int>
+						<reference key="object" ref="664661524"/>
+						<reference key="parent" ref="0"/>
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+					<object class="IBObjectRecord">
+						<int key="objectID">106</int>
+						<reference key="object" ref="1034742383"/>
+						<object class="NSMutableArray" key="children">
+							<bool key="EncodedWithXMLCoder">YES</bool>
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+							<reference ref="1024858337"/>
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+						<reference key="parent" ref="0"/>
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+						<reference key="object" ref="1024858337"/>
+						<object class="NSMutableArray" key="children">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+							<reference ref="765670903"/>
+							<reference ref="434903890"/>
+						</object>
+						<reference key="parent" ref="1034742383"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">109</int>
+						<reference key="object" ref="268481961"/>
+						<object class="NSMutableArray" key="children">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+							<reference ref="807309489"/>
+						</object>
+						<reference key="parent" ref="1034742383"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">110</int>
+						<reference key="object" ref="807309489"/>
+						<reference key="parent" ref="268481961"/>
+					</object>
+					<object class="IBObjectRecord">
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+						<reference key="object" ref="765670903"/>
+						<reference key="parent" ref="1024858337"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">-2</int>
+						<reference key="object" ref="532797962"/>
+						<reference key="parent" ref="0"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">119</int>
+						<reference key="object" ref="434903890"/>
+						<object class="NSMutableArray" key="children">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+							<reference ref="625972407"/>
+							<reference ref="876077251"/>
+							<reference ref="808516100"/>
+						</object>
+						<reference key="parent" ref="1024858337"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">123</int>
+						<reference key="object" ref="876077251"/>
+						<reference key="parent" ref="434903890"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">126</int>
+						<reference key="object" ref="625972407"/>
+						<reference key="parent" ref="434903890"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">139</int>
+						<reference key="object" ref="808516100"/>
+						<reference key="parent" ref="434903890"/>
+					</object>
+				</object>
+			</object>
+			<object class="NSMutableDictionary" key="flattenedProperties">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+				<object class="NSArray" key="dict.sortedKeys">
+					<bool key="EncodedWithXMLCoder">YES</bool>
+					<string>-1.CustomClassName</string>
+					<string>-2.CustomClassName</string>
+					<string>106.CustomClassName</string>
+					<string>106.IBEditorWindowLastContentRect</string>
+					<string>106.IBPluginDependency</string>
+					<string>107.IBPluginDependency</string>
+					<string>108.CustomClassName</string>
+					<string>108.IBPluginDependency</string>
+					<string>109.CustomClassName</string>
+					<string>109.IBPluginDependency</string>
+					<string>110.IBPluginDependency</string>
+					<string>111.IBPluginDependency</string>
+					<string>119.IBPluginDependency</string>
+					<string>123.IBPluginDependency</string>
+					<string>126.IBPluginDependency</string>
+					<string>139.IBPluginDependency</string>
+					<string>2.IBAttributePlaceholdersKey</string>
+					<string>2.IBEditorWindowLastContentRect</string>
+					<string>2.IBPluginDependency</string>
+					<string>3.CustomClassName</string>
+					<string>3.IBPluginDependency</string>
+				</object>
+				<object class="NSMutableArray" key="dict.values">
+					<bool key="EncodedWithXMLCoder">YES</bool>
+					<string>UIApplication</string>
+					<string>UIResponder</string>
+					<string>TabBarController</string>
+					<string>{{702, 231}, {480, 320}}</string>
+					<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+					<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+					<string>FirstViewController</string>
+					<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+					<string>ConfigViewController</string>
+					<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+					<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+					<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+					<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+					<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+					<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+					<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+					<object class="NSMutableDictionary">
+						<bool key="EncodedWithXMLCoder">YES</bool>
+						<reference key="dict.sortedKeys" ref="0"/>
+						<object class="NSMutableArray" key="dict.values">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+						</object>
+					</object>
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diff --git a/pjsip-apps/src/ipjsua/SecondView.xib b/pjsip-apps/src/ipjsua/SecondView.xib
new file mode 100644
index 00000000..dc43b74a
--- /dev/null
+++ b/pjsip-apps/src/ipjsua/SecondView.xib
@@ -0,0 +1,501 @@
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diff --git a/pjsip-apps/src/ipjsua/config.cfg b/pjsip-apps/src/ipjsua/config.cfg
new file mode 100644
index 00000000..3399a807
--- /dev/null
+++ b/pjsip-apps/src/ipjsua/config.cfg
@@ -0,0 +1 @@
+--clock-rate=8000
diff --git a/pjsip-apps/src/ipjsua/ipjsua-Info.plist b/pjsip-apps/src/ipjsua/ipjsua-Info.plist
new file mode 100644
index 00000000..5cc34c72
--- /dev/null
+++ b/pjsip-apps/src/ipjsua/ipjsua-Info.plist
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleDisplayName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFile</key>
+	<string></string>
+	<key>CFBundleIdentifier</key>
+	<string>com.teluu.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>NSMainNibFile</key>
+	<string>MainWindow</string>
+	<key>UIInterfaceOrientation</key>
+	<string>UIInterfaceOrientationLandscapeRight</string>
+</dict>
+</plist>
diff --git a/pjsip-apps/src/ipjsua/ipjsua.xcodeproj/project.pbxproj b/pjsip-apps/src/ipjsua/ipjsua.xcodeproj/project.pbxproj
new file mode 100644
index 00000000..c4af1050
--- /dev/null
+++ b/pjsip-apps/src/ipjsua/ipjsua.xcodeproj/project.pbxproj
@@ -0,0 +1,408 @@
+// !$*UTF8*$!
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+				ORGANIZATIONNAME = "Teluu Inc. (http://www.teluu.com)";
+			};
+			buildConfigurationList = C01FCF4E08A954540054247B /* Build configuration list for PBXProject "ipjsua" */;
+			compatibilityVersion = "Xcode 3.1";
+			hasScannedForEncodings = 1;
+			mainGroup = 29B97314FDCFA39411CA2CEA /* ipjsua */;
+			projectDirPath = "";
+			projectRoot = "";
+			targets = (
+				1D6058900D05DD3D006BFB54 /* ipjsua */,
+			);
+		};
+/* End PBXProject section */
+
+/* Begin PBXResourcesBuildPhase section */
+		1D60588D0D05DD3D006BFB54 /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				28AD73880D9D96C1002E5188 /* MainWindow.xib in Resources */,
+				282CCBFE0DB6C98000C4EA27 /* SecondView.xib in Resources */,
+				3AE90AC01158F0C400FAEAA5 /* config.cfg in Resources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXResourcesBuildPhase section */
+
+/* Begin PBXSourcesBuildPhase section */
+		1D60588E0D05DD3D006BFB54 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				1D60589B0D05DD56006BFB54 /* main.m in Sources */,
+				1D3623260D0F684500981E51 /* ipjsuaAppDelegate.m in Sources */,
+				28216C970DB411BC00E5133A /* FirstViewController.m in Sources */,
+				3AE90A2D1158B52500FAEAA5 /* pjsua_app.c in Sources */,
+				3AE90C51115A35BB00FAEAA5 /* TabBarController.m in Sources */,
+				3AE90DAD115BB1CF00FAEAA5 /* ConfigViewController.m in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXSourcesBuildPhase section */
+
+/* Begin XCBuildConfiguration section */
+		1D6058940D05DD3E006BFB54 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				COPY_PHASE_STRIP = NO;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = ipjsua_Prefix.pch;
+				INFOPLIST_FILE = "ipjsua-Info.plist";
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					"\"$(SRCROOT)/../../../third_party/lib\"",
+					"\"$(SRCROOT)/../../../pjlib/lib\"",
+					"\"$(SRCROOT)/../../../pjlib-util/lib\"",
+					"\"$(SRCROOT)/../../../pjmedia/lib\"",
+					"\"$(SRCROOT)/../../../pjnath/lib\"",
+					"\"$(SRCROOT)/../../../pjsip/lib\"",
+				);
+				PRODUCT_NAME = ipjsua;
+			};
+			name = Debug;
+		};
+		1D6058950D05DD3E006BFB54 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				COPY_PHASE_STRIP = YES;
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = ipjsua_Prefix.pch;
+				INFOPLIST_FILE = "ipjsua-Info.plist";
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					"\"$(SRCROOT)/../../../third_party/lib\"",
+					"\"$(SRCROOT)/../../../pjlib/lib\"",
+					"\"$(SRCROOT)/../../../pjlib-util/lib\"",
+					"\"$(SRCROOT)/../../../pjmedia/lib\"",
+					"\"$(SRCROOT)/../../../pjnath/lib\"",
+					"\"$(SRCROOT)/../../../pjsip/lib\"",
+				);
+				PRODUCT_NAME = ipjsua;
+			};
+			name = Release;
+		};
+		C01FCF4F08A954540054247B /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				GCC_C_LANGUAGE_STANDARD = c99;
+				GCC_PREPROCESSOR_DEFINITIONS = USE_GUI;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				HEADER_SEARCH_PATHS = (
+					../../../pjsip/include,
+					../../../pjlib/include,
+					"../../../pjlib-util/include",
+					../../../pjnath/include,
+					../../../pjmedia/include,
+				);
+				LIBRARY_SEARCH_PATHS = (
+					../../../pjlib/lib,
+					"../../../pjlib-util/lib",
+					../../../pjnath/lib,
+					../../../pjmedia/lib,
+					../../../pjsip/lib,
+					../../../third_party/lib,
+				);
+				PREBINDING = NO;
+				SDKROOT = iphoneos3.1.2;
+			};
+			name = Debug;
+		};
+		C01FCF5008A954540054247B /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				GCC_C_LANGUAGE_STANDARD = c99;
+				GCC_PREPROCESSOR_DEFINITIONS = USE_GUI;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				HEADER_SEARCH_PATHS = (
+					../../../pjsip/include,
+					../../../pjlib/include,
+					"../../../pjlib-util/include",
+					../../../pjnath/include,
+					../../../pjmedia/include,
+				);
+				LIBRARY_SEARCH_PATHS = (
+					../../../pjlib/lib,
+					"../../../pjlib-util/lib",
+					../../../pjnath/lib,
+					../../../pjmedia/lib,
+					../../../pjsip/lib,
+					../../../third_party/lib,
+				);
+				PREBINDING = NO;
+				SDKROOT = iphoneos3.1.2;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		1D6058960D05DD3E006BFB54 /* Build configuration list for PBXNativeTarget "ipjsua" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				1D6058940D05DD3E006BFB54 /* Debug */,
+				1D6058950D05DD3E006BFB54 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		C01FCF4E08A954540054247B /* Build configuration list for PBXProject "ipjsua" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				C01FCF4F08A954540054247B /* Debug */,
+				C01FCF5008A954540054247B /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 29B97313FDCFA39411CA2CEA /* Project object */;
+}
diff --git a/pjsip-apps/src/ipjsua/ipjsua_Prefix.pch b/pjsip-apps/src/ipjsua/ipjsua_Prefix.pch
new file mode 100644
index 00000000..2fe18564
--- /dev/null
+++ b/pjsip-apps/src/ipjsua/ipjsua_Prefix.pch
@@ -0,0 +1,8 @@
+//
+// Prefix header for all source files of the 'ipjsua' target in the 'ipjsua' project
+//
+
+#ifdef __OBJC__
+    #import <Foundation/Foundation.h>
+    #import <UIKit/UIKit.h>
+#endif
diff --git a/pjsip-apps/src/ipjsua/main.m b/pjsip-apps/src/ipjsua/main.m
new file mode 100644
index 00000000..9451af16
--- /dev/null
+++ b/pjsip-apps/src/ipjsua/main.m
@@ -0,0 +1,17 @@
+//
+//  main.m
+//  ipjsua
+//
+//  Created by Liong Sauw Ming on 3/23/10.
+//  Copyright Teluu Inc. (http://www.teluu.com) 2010. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+int main(int argc, char *argv[]) {
+    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
+    int retVal = UIApplicationMain(argc, argv, nil, nil);
+    [pool release];
+    return retVal;
+}
+
diff --git a/pjsip-apps/src/ipjsystest/Classes/RootViewController.h b/pjsip-apps/src/ipjsystest/Classes/RootViewController.h
new file mode 100644
index 00000000..a76baf0a
--- /dev/null
+++ b/pjsip-apps/src/ipjsystest/Classes/RootViewController.h
@@ -0,0 +1,22 @@
+//
+//  RootViewController.h
+//  ipjsystest
+//
+//  Created by Liong Sauw Ming on 3/20/10.
+//  Copyright Teluu Inc. (http://www.teluu.com) 2010. All rights reserved.
+//
+
+#import "TestViewController.h"
+
+@interface RootViewController : UITableViewController {
+    NSMutableArray *titles;
+    NSMutableArray *menus;
+    
+    TestViewController *testView;
+}
+
+@property (nonatomic, retain) NSMutableArray *titles;
+@property (nonatomic, retain) NSMutableArray *menus;
+@property (nonatomic, retain) TestViewController *testView;
+
+@end
diff --git a/pjsip-apps/src/ipjsystest/Classes/RootViewController.m b/pjsip-apps/src/ipjsystest/Classes/RootViewController.m
new file mode 100644
index 00000000..0eecbc8a
--- /dev/null
+++ b/pjsip-apps/src/ipjsystest/Classes/RootViewController.m
@@ -0,0 +1,325 @@
+//
+//  RootViewController.m
+//  ipjsystest
+//
+//  Created by Liong Sauw Ming on 3/20/10.
+//  Copyright Teluu Inc. (http://www.teluu.com) 2010. All rights reserved.
+//
+
+#import "RootViewController.h"
+#import "gui.h"
+#import "systest.h"
+
+/* Sleep interval duration, change to shorter duration for better
+ * interaction but make sure there is enough time for the other
+ * thread to do what it's supposed to do
+ */
+#define SLEEP_INTERVAL 0.5
+
+@implementation RootViewController
+@synthesize titles;
+@synthesize menus;
+@synthesize testView;
+
+RootViewController	*view;
+
+bool			systest_initialized;
+bool			thread_quit;
+gui_menu		*gmenu;
+int			section;
+int			row;
+const char		*ctitle;
+const char		*cmsg; 
+enum gui_flag		cflag;
+
+pj_status_t gui_init(gui_menu *menu)
+{
+    PJ_UNUSED_ARG(menu);
+    return PJ_SUCCESS;
+}
+
+/* Run GUI main loop */
+pj_status_t gui_start(gui_menu *menu)
+{
+    view.titles = [NSMutableArray arrayWithCapacity:menu->submenu_cnt];
+    view.menus = [NSMutableArray arrayWithCapacity:menu->submenu_cnt];
+    NSMutableArray *smenu;
+    for (int i = 0; i < menu->submenu_cnt; i++) {
+	NSString *str = [NSString stringWithFormat:@"%s" , menu->submenus[i]->title];
+	[view.titles addObject: str];
+	smenu = [NSMutableArray arrayWithCapacity:menu->submenus[i]->submenu_cnt];
+	/* We do not need the last two menus of the "Tests" menu (NULL and "Exit"),
+	 * so subtract by 2
+	 */
+	for (int j = 0; j < menu->submenus[i]->submenu_cnt - (i==0? 2: 0); j++) {
+	    str = [NSString stringWithFormat:@"%s" , menu->submenus[i]->submenus[j]->title];
+	    [smenu addObject:str];
+	}
+	[view.menus addObject:smenu];
+    }
+    gmenu = menu;
+    
+    return PJ_SUCCESS;
+}
+
+/* Signal GUI mainloop to stop */
+void gui_destroy(void)
+{
+}
+
+/* AUX: display messagebox */
+enum gui_key gui_msgbox(const char *title, const char *message, enum gui_flag flag)
+{
+    ctitle = title;
+    cmsg = message;
+    cflag = flag;
+    [view performSelectorOnMainThread:@selector(showMsg) withObject:nil waitUntilDone:YES];
+    
+    view.testView.key = 0;
+    while(view.testView.key == 0) {
+	/* Let the main thread do its job (refresh the view) while we wait for 
+	 * user interaction (button click)
+	 */
+	[NSThread sleepForTimeInterval:SLEEP_INTERVAL];
+    }
+    
+    if (view.testView.key == 1)
+	return KEY_OK;
+    else
+	return (flag == WITH_YESNO? KEY_NO: KEY_CANCEL);
+}
+
+/* AUX: sleep */
+void gui_sleep(unsigned sec)
+{
+    [NSThread sleepForTimeInterval:sec];
+}
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    
+    view = self;
+    
+    /* Get a writable path for output files */
+    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
+    NSString *documentsDirectory = [paths objectAtIndex:0];
+    [documentsDirectory getCString:doc_path maxLength:PATH_LENGTH encoding:NSASCIIStringEncoding];
+    strncat(doc_path, "/", PATH_LENGTH);
+
+    /* Get path for our test resources (the wav files) */
+    NSString *resPath = [[NSBundle mainBundle] resourcePath];
+    [resPath getCString:res_path maxLength:PATH_LENGTH encoding:NSASCIIStringEncoding];
+    strncat(res_path, "/", PATH_LENGTH);
+    
+    systest_initialized = false;
+    thread_quit = false;
+    [NSThread detachNewThreadSelector:@selector(startTest) toTarget:self withObject:nil];
+    /* Let our new thread initialize */
+    while (!systest_initialized) {
+	[NSThread sleepForTimeInterval:SLEEP_INTERVAL];
+    }
+
+    // Uncomment the following line to display an Edit button in the navigation bar for this view controller.
+    // self.navigationItem.rightBarButtonItem = self.editButtonItem;
+}
+
+/*
+ - (void)viewWillAppear:(BOOL)animated {
+    [super viewWillAppear:animated];
+ }
+ */
+/*
+ - (void)viewDidAppear:(BOOL)animated {
+    [super viewDidAppear:animated];
+ }
+ */
+/*
+ - (void)viewWillDisappear:(BOOL)animated {
+    [super viewWillDisappear:animated];
+ }
+ */
+/*
+ - (void)viewDidDisappear:(BOOL)animated {
+    [super viewDidDisappear:animated];
+ }
+ */
+
+/*
+ // Override to allow orientations other than the default portrait orientation.
+ - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
+    // Return YES for supported orientations.
+    return (interfaceOrientation == UIInterfaceOrientationPortrait);
+ }
+ */
+
+- (void)didReceiveMemoryWarning {
+    // Releases the view if it doesn't have a superview.
+    [super didReceiveMemoryWarning];
+    
+    // Release any cached data, images, etc that aren't in use.
+}
+
+- (void)viewDidUnload {
+    // Release anything that can be recreated in viewDidLoad or on demand.
+    // e.g. self.myOutlet = nil;
+    self.titles = nil;
+    self.menus = nil;
+    
+    thread_quit = true;
+    [NSThread sleepForTimeInterval:SLEEP_INTERVAL];
+}
+
+
+#pragma mark Table view methods
+
+
+- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
+    return [titles count];
+}
+
+
+// Customize the number of rows in the table view.
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
+    return [[menus objectAtIndex:section] count];
+}
+
+
+- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
+    // The header for the section is the region name -- get this from the region at the section index.
+    return [titles objectAtIndex:section];
+}
+
+// Customize the appearance of table view cells.
+- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
+    
+    static NSString *CellIdentifier = @"Cell";
+    
+    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
+    if (cell == nil) {
+        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
+    }
+    
+    // Configure the cell.
+    cell.textLabel.text = [[menus objectAtIndex:indexPath.section] objectAtIndex:indexPath.row];
+    
+    return cell;
+}
+
+- (void)startTest {
+    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+    if (systest_init() != PJ_SUCCESS) {
+	[pool release];
+	return;
+    }
+    
+    systest_run();
+    
+    systest_initialized = 1;
+    while(!thread_quit) {
+	section = -1;
+	while (section == -1) {
+	    [NSThread sleepForTimeInterval:SLEEP_INTERVAL];
+	}
+	(*gmenu->submenus[section]->submenus[row]->handler)();
+	cmsg = NULL;
+	[view performSelectorOnMainThread:@selector(showMsg) withObject:nil waitUntilDone:YES];
+    }
+    
+    systest_deinit();
+    [pool release];
+}
+
+- (void)showMsg {
+    if (cmsg == NULL) {
+	self.testView.testDesc.text = [self.testView.testDesc.text stringByAppendingString: @"Finished"];
+	[self.testView.testDesc scrollRangeToVisible:NSMakeRange([self.testView.testDesc.text length] - 1, 1)];
+	[self.testView.button1 setHidden:true];
+	[self.testView.button2 setHidden:true];
+	return;
+    }
+    self.testView.title = [NSString stringWithFormat:@"%s", ctitle];
+    self.testView.testDesc.text = [self.testView.testDesc.text stringByAppendingString: [NSString stringWithFormat:@"%s\n\n", cmsg]];
+    [self.testView.testDesc scrollRangeToVisible:NSMakeRange([self.testView.testDesc.text length] - 1, 1)];
+    
+    [self.testView.button1 setHidden:false];
+    [self.testView.button2 setHidden:false];
+    if (cflag == WITH_YESNO) {
+	[self.testView.button1 setTitle:@"Yes" forState:UIControlStateNormal];
+	[self.testView.button2 setTitle:@"No" forState:UIControlStateNormal];
+    } else if (cflag == WITH_OK) {
+	[self.testView.button1 setTitle:@"OK" forState:UIControlStateNormal];
+	[self.testView.button2 setHidden:true];
+    } else if (cflag == WITH_OKCANCEL) {
+	[self.testView.button1 setTitle:@"OK" forState:UIControlStateNormal];
+	[self.testView.button2 setTitle:@"Cancel" forState:UIControlStateNormal];
+    }
+}
+
+
+// Override to support row selection in the table view.
+- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
+    
+    // Navigation logic may go here -- for example, create and push another view controller.
+    // AnotherViewController *anotherViewController = [[AnotherViewController alloc] initWithNibName:@"AnotherView" bundle:nil];
+    // [self.navigationController pushViewController:anotherViewController animated:YES];
+    // [anotherViewController release];
+    
+    if (self.testView == nil) {
+	self.testView = [[TestViewController alloc] initWithNibName:@"TestViewController" bundle:[NSBundle mainBundle]];
+    }
+    
+    [self.navigationController pushViewController:self.testView animated:YES];
+    self.testView.title = [[menus objectAtIndex:indexPath.section] objectAtIndex:indexPath.row];
+    self.testView.testDesc.text = @"";
+    section = indexPath.section;
+    row = indexPath.row;
+}
+
+
+/*
+ // Override to support conditional editing of the table view.
+ - (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
+    // Return NO if you do not want the specified item to be editable.
+    return YES;
+ }
+ */
+
+
+/*
+ // Override to support editing the table view.
+ - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
+ 
+    if (editingStyle == UITableViewCellEditingStyleDelete) {
+	// Delete the row from the data source.
+	[tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];
+    }   
+    else if (editingStyle == UITableViewCellEditingStyleInsert) {
+	// Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view.
+    }   
+ }
+ */
+
+
+/*
+ // Override to support rearranging the table view.
+ - (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath {
+ }
+ */
+
+
+/*
+ // Override to support conditional rearranging of the table view.
+ - (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath {
+    // Return NO if you do not want the item to be re-orderable.
+    return YES;
+ }
+ */
+
+
+- (void)dealloc {
+    [super dealloc];
+}
+
+
+@end
+
diff --git a/pjsip-apps/src/ipjsystest/Classes/TestViewController.h b/pjsip-apps/src/ipjsystest/Classes/TestViewController.h
new file mode 100644
index 00000000..e20048bf
--- /dev/null
+++ b/pjsip-apps/src/ipjsystest/Classes/TestViewController.h
@@ -0,0 +1,25 @@
+//
+//  TestViewController.h
+//  ipjsystest
+//
+//  Created by Liong Sauw Ming on 3/20/10.
+//  Copyright 2010 Teluu Inc. (http://www.teluu.com). All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+
+@interface TestViewController : UIViewController {
+    IBOutlet UITextView *testDesc;
+    IBOutlet UIButton	*button1;
+    IBOutlet UIButton	*button2;
+    
+    NSInteger key;
+}
+
+@property (nonatomic, retain) IBOutlet UITextView *testDesc;
+@property (nonatomic, retain) IBOutlet UIButton *button1;
+@property (nonatomic, retain) IBOutlet UIButton *button2;
+@property (nonatomic) NSInteger key;
+
+@end
diff --git a/pjsip-apps/src/ipjsystest/Classes/TestViewController.m b/pjsip-apps/src/ipjsystest/Classes/TestViewController.m
new file mode 100644
index 00000000..5991e67d
--- /dev/null
+++ b/pjsip-apps/src/ipjsystest/Classes/TestViewController.m
@@ -0,0 +1,81 @@
+//
+//  TestViewController.m
+//  ipjsystest
+//
+//  Created by Liong Sauw Ming on 3/20/10.
+//  Copyright 2010 Teluu Inc. (http://www.teluu.com). All rights reserved.
+//
+
+#import "TestViewController.h"
+
+@implementation TestViewController
+@synthesize testDesc;
+@synthesize button1;
+@synthesize button2;
+@synthesize key;
+
+- (void)button1Pressed:(id)sender {
+    self.key = 1;
+    [self.button1 setHidden:true];
+    [self.button2 setHidden:true];
+}
+
+- (void)button2Pressed:(id)sender {
+    self.key = 2;
+    [self.button1 setHidden:true];
+    [self.button2 setHidden:true];
+}
+
+/*
+ // The designated initializer.  Override if you create the controller programmatically and want to perform customization that is not appropriate for viewDidLoad.
+ - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+    if (self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]) {
+    // Custom initialization
+ }
+ return self;
+ }
+ */
+
+/*
+ // Implement loadView to create a view hierarchy programmatically, without using a nib.
+ - (void)loadView {
+ }
+ */
+
+
+// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    
+    [button1 addTarget:self action:@selector(button1Pressed:) forControlEvents:(UIControlEvents)UIControlEventTouchDown];
+    [button2 addTarget:self action:@selector(button2Pressed:) forControlEvents:(UIControlEvents)UIControlEventTouchDown];
+    [testDesc setEditable:false];
+}
+
+/*
+ // Override to allow orientations other than the default portrait orientation.
+ - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
+    // Return YES for supported orientations
+    return (interfaceOrientation == UIInterfaceOrientationPortrait);
+ }
+ */
+
+- (void)didReceiveMemoryWarning {
+    // Releases the view if it doesn't have a superview.
+    [super didReceiveMemoryWarning];
+    
+    // Release any cached data, images, etc that aren't in use.
+}
+
+- (void)viewDidUnload {
+    // Release any retained subviews of the main view.
+    // e.g. self.myOutlet = nil;
+}
+
+
+- (void)dealloc {
+    [super dealloc];
+}
+
+
+@end
diff --git a/pjsip-apps/src/ipjsystest/Classes/ipjsystestAppDelegate.h b/pjsip-apps/src/ipjsystest/Classes/ipjsystestAppDelegate.h
new file mode 100644
index 00000000..78b35108
--- /dev/null
+++ b/pjsip-apps/src/ipjsystest/Classes/ipjsystestAppDelegate.h
@@ -0,0 +1,19 @@
+//
+//  ipjsystestAppDelegate.h
+//  ipjsystest
+//
+//  Created by Liong Sauw Ming on 3/20/10.
+//  Copyright Teluu Inc. (http://www.teluu.com) 2010. All rights reserved.
+//
+
+@interface ipjsystestAppDelegate : NSObject <UIApplicationDelegate> {
+    
+    UIWindow		    *window;
+    UINavigationController  *navigationController;
+}
+
+@property (nonatomic, retain) IBOutlet UIWindow *window;
+@property (nonatomic, retain) IBOutlet UINavigationController *navigationController;
+
+@end
+
diff --git a/pjsip-apps/src/ipjsystest/Classes/ipjsystestAppDelegate.m b/pjsip-apps/src/ipjsystest/Classes/ipjsystestAppDelegate.m
new file mode 100644
index 00000000..51d7b085
--- /dev/null
+++ b/pjsip-apps/src/ipjsystest/Classes/ipjsystestAppDelegate.m
@@ -0,0 +1,45 @@
+//
+//  ipjsystestAppDelegate.m
+//  ipjsystest
+//
+//  Created by Liong Sauw Ming on 3/20/10.
+//  Copyright Teluu Inc. (http://www.teluu.com) 2010. All rights reserved.
+//
+
+#import "ipjsystestAppDelegate.h"
+#import "RootViewController.h"
+
+
+@implementation ipjsystestAppDelegate
+
+@synthesize window;
+@synthesize navigationController;
+
+#pragma mark -
+#pragma mark Application lifecycle
+
+- (void)applicationDidFinishLaunching:(UIApplication *)application {    
+    
+    // Override point for customization after app launch
+    [window addSubview:[navigationController view]];
+    [window makeKeyAndVisible];
+}
+
+
+- (void)applicationWillTerminate:(UIApplication *)application {
+    // Save data if appropriate
+}
+
+
+#pragma mark -
+#pragma mark Memory management
+
+- (void)dealloc {
+    [navigationController release];
+    [window release];
+    [super dealloc];
+}
+
+
+@end
+
diff --git a/pjsip-apps/src/ipjsystest/MainWindow.xib b/pjsip-apps/src/ipjsystest/MainWindow.xib
new file mode 100644
index 00000000..8b08922b
--- /dev/null
+++ b/pjsip-apps/src/ipjsystest/MainWindow.xib
@@ -0,0 +1,507 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="7.10">
+	<data>
+		<int key="IBDocument.SystemTarget">784</int>
+		<string key="IBDocument.SystemVersion">10C540</string>
+		<string key="IBDocument.InterfaceBuilderVersion">740</string>
+		<string key="IBDocument.AppKitVersion">1038.25</string>
+		<string key="IBDocument.HIToolboxVersion">458.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			<string key="NS.object.0">62</string>
+		</object>
+		<object class="NSMutableArray" key="IBDocument.EditedObjectIDs">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<integer value="13"/>
+		</object>
+		<object class="NSArray" key="IBDocument.PluginDependencies">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+		</object>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<object class="NSArray" key="dict.sortedKeys" id="0">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+			</object>
+			<object class="NSMutableArray" key="dict.values">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+			</object>
+		</object>
+		<object class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<object class="IBProxyObject" id="841351856">
+				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
+			</object>
+			<object class="IBProxyObject" id="302016328">
+				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
+			</object>
+			<object class="IBUICustomObject" id="664661524"/>
+			<object class="IBUIWindow" id="380026005">
+				<nil key="NSNextResponder"/>
+				<int key="NSvFlags">1316</int>
+				<object class="NSPSMatrix" key="NSFrameMatrix"/>
+				<string key="NSFrameSize">{320, 480}</string>
+				<object class="NSColor" key="IBUIBackgroundColor">
+					<int key="NSColorSpace">1</int>
+					<bytes key="NSRGB">MSAxIDEAA</bytes>
+				</object>
+				<bool key="IBUIOpaque">NO</bool>
+				<bool key="IBUIClearsContextBeforeDrawing">NO</bool>
+				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics"/>
+			</object>
+			<object class="IBUINavigationController" id="701001926">
+				<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics"/>
+				<object class="IBUINavigationBar" key="IBUINavigationBar" id="207850653">
+					<nil key="NSNextResponder"/>
+					<int key="NSvFlags">256</int>
+					<string key="NSFrameSize">{0, 0}</string>
+					<bool key="IBUIOpaque">NO</bool>
+					<bool key="IBUIClipsSubviews">YES</bool>
+					<bool key="IBUIMultipleTouchEnabled">YES</bool>
+				</object>
+				<object class="NSArray" key="IBUIViewControllers">
+					<bool key="EncodedWithXMLCoder">YES</bool>
+					<object class="IBUIViewController" id="619226028">
+						<object class="IBUINavigationItem" key="IBUINavigationItem" id="394667715">
+							<reference key="IBUINavigationBar"/>
+							<string key="IBUITitle">ipjsystest</string>
+						</object>
+						<reference key="IBUIParentViewController" ref="701001926"/>
+						<string key="IBUINibName">RootViewController</string>
+						<object class="IBUISimulatedStatusBarMetrics" key="IBUISimulatedStatusBarMetrics"/>
+					</object>
+				</object>
+			</object>
+		</object>
+		<object class="IBObjectContainer" key="IBDocument.Objects">
+			<object class="NSMutableArray" key="connectionRecords">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">delegate</string>
+						<reference key="source" ref="841351856"/>
+						<reference key="destination" ref="664661524"/>
+					</object>
+					<int key="connectionID">4</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">window</string>
+						<reference key="source" ref="664661524"/>
+						<reference key="destination" ref="380026005"/>
+					</object>
+					<int key="connectionID">5</int>
+				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBCocoaTouchOutletConnection" key="connection">
+						<string key="label">navigationController</string>
+						<reference key="source" ref="664661524"/>
+						<reference key="destination" ref="701001926"/>
+					</object>
+					<int key="connectionID">15</int>
+				</object>
+			</object>
+			<object class="IBMutableOrderedSet" key="objectRecords">
+				<object class="NSArray" key="orderedObjects">
+					<bool key="EncodedWithXMLCoder">YES</bool>
+					<object class="IBObjectRecord">
+						<int key="objectID">0</int>
+						<reference key="object" ref="0"/>
+						<reference key="children" ref="1000"/>
+						<nil key="parent"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">2</int>
+						<reference key="object" ref="380026005"/>
+						<object class="NSMutableArray" key="children">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+						</object>
+						<reference key="parent" ref="0"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">-1</int>
+						<reference key="object" ref="841351856"/>
+						<reference key="parent" ref="0"/>
+						<string key="objectName">File's Owner</string>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">3</int>
+						<reference key="object" ref="664661524"/>
+						<reference key="parent" ref="0"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">-2</int>
+						<reference key="object" ref="302016328"/>
+						<reference key="parent" ref="0"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">9</int>
+						<reference key="object" ref="701001926"/>
+						<object class="NSMutableArray" key="children">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+							<reference ref="207850653"/>
+							<reference ref="619226028"/>
+						</object>
+						<reference key="parent" ref="0"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">11</int>
+						<reference key="object" ref="207850653"/>
+						<reference key="parent" ref="701001926"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">13</int>
+						<reference key="object" ref="619226028"/>
+						<object class="NSMutableArray" key="children">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+							<reference ref="394667715"/>
+						</object>
+						<reference key="parent" ref="701001926"/>
+					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">14</int>
+						<reference key="object" ref="394667715"/>
+						<reference key="parent" ref="619226028"/>
+					</object>
+				</object>
+			</object>
+			<object class="NSMutableDictionary" key="flattenedProperties">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+				<object class="NSArray" key="dict.sortedKeys">
+					<bool key="EncodedWithXMLCoder">YES</bool>
+					<string>-1.CustomClassName</string>
+					<string>-2.CustomClassName</string>
+					<string>11.IBPluginDependency</string>
+					<string>13.CustomClassName</string>
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+					<string>2.IBAttributePlaceholdersKey</string>
+					<string>2.IBEditorWindowLastContentRect</string>
+					<string>2.IBPluginDependency</string>
+					<string>3.CustomClassName</string>
+					<string>3.IBPluginDependency</string>
+					<string>9.IBEditorWindowLastContentRect</string>
+					<string>9.IBPluginDependency</string>
+				</object>
+				<object class="NSMutableArray" key="dict.values">
+					<bool key="EncodedWithXMLCoder">YES</bool>
+					<string>UIApplication</string>
+					<string>UIResponder</string>
+					<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+					<string>RootViewController</string>
+					<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+					<object class="NSMutableDictionary">
+						<bool key="EncodedWithXMLCoder">YES</bool>
+						<reference key="dict.sortedKeys" ref="0"/>
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+							<bool key="EncodedWithXMLCoder">YES</bool>
+						</object>
+					</object>
+					<string>{{673, 376}, {320, 480}}</string>
+					<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+					<string>ipjsystestAppDelegate</string>
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+					<string>{{500, 343}, {320, 480}}</string>
+					<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+				</object>
+			</object>
+			<object class="NSMutableDictionary" key="unlocalizedProperties">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+				<reference key="dict.sortedKeys" ref="0"/>
+				<object class="NSMutableArray" key="dict.values">
+					<bool key="EncodedWithXMLCoder">YES</bool>
+				</object>
+			</object>
+			<nil key="activeLocalization"/>
+			<object class="NSMutableDictionary" key="localizations">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+				<reference key="dict.sortedKeys" ref="0"/>
+				<object class="NSMutableArray" key="dict.values">
+					<bool key="EncodedWithXMLCoder">YES</bool>
+				</object>
+			</object>
+			<nil key="sourceID"/>
+			<int key="maxID">20</int>
+		</object>
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+			<object class="NSMutableArray" key="referencedPartialClassDescriptions">
+				<bool key="EncodedWithXMLCoder">YES</bool>
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+					<string key="className">RootViewController</string>
+					<string key="superclassName">UITableViewController</string>
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+						<string key="majorKey">IBProjectSource</string>
+						<string key="minorKey">Classes/RootViewController.h</string>
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+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">ipjsystestAppDelegate</string>
+					<string key="superclassName">NSObject</string>
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+						<bool key="EncodedWithXMLCoder">YES</bool>
+						<object class="NSArray" key="dict.sortedKeys">
+							<bool key="EncodedWithXMLCoder">YES</bool>
+							<string>navigationController</string>
+							<string>window</string>
+						</object>
+						<object class="NSMutableArray" key="dict.values">
+							<bool key="EncodedWithXMLCoder">YES</bool>
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+							<string>UIWindow</string>
+						</object>
+					</object>
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+			</object>
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+					<string key="className">NSObject</string>
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+				</object>
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+					<string key="className">NSObject</string>
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+				</object>
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+					<string key="className">NSObject</string>
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+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">NSObject</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBFrameworkSource</string>
+						<string key="minorKey">UIKit.framework/Headers/UIAccessibility.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">NSObject</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBFrameworkSource</string>
+						<string key="minorKey">UIKit.framework/Headers/UINibLoading.h</string>
+					</object>
+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">NSObject</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier" id="457547627">
+						<string key="majorKey">IBFrameworkSource</string>
+						<string key="minorKey">UIKit.framework/Headers/UIResponder.h</string>
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+				</object>
+				<object class="IBPartialClassDescription">
+					<string key="className">UIApplication</string>
+					<string key="superclassName">UIResponder</string>
+					<object class="IBClassDescriptionSource" key="sourceIdentifier">
+						<string key="majorKey">IBFrameworkSource</string>
+						<string key="minorKey">UIKit.framework/Headers/UIApplication.h</string>
+					</object>
+				</object>
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+					<string key="superclassName">UIBarItem</string>
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+						<string key="majorKey">IBFrameworkSource</string>
+						<string key="minorKey">UIKit.framework/Headers/UIBarButtonItem.h</string>
+					</object>
+				</object>
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+						<string key="minorKey">UIKit.framework/Headers/UIBarItem.h</string>
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+						<string key="majorKey">IBFrameworkSource</string>
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+					</object>
+				</object>
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+					<string key="className">UINavigationItem</string>
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+				<object class="IBPartialClassDescription">
+					<string key="className">UISearchBar</string>
+					<string key="superclassName">UIView</string>
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new file mode 100644
index 00000000..5c44ed2e
--- /dev/null
+++ b/pjsip-apps/src/ipjsystest/RootViewController.xib
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diff --git a/pjsip-apps/src/ipjsystest/TestViewController.xib b/pjsip-apps/src/ipjsystest/TestViewController.xib
new file mode 100644
index 00000000..3a66c09c
--- /dev/null
+++ b/pjsip-apps/src/ipjsystest/TestViewController.xib
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diff --git a/pjsip-apps/src/ipjsystest/ipjsystest-Info.plist b/pjsip-apps/src/ipjsystest/ipjsystest-Info.plist
new file mode 100644
index 00000000..f718cf68
--- /dev/null
+++ b/pjsip-apps/src/ipjsystest/ipjsystest-Info.plist
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleDisplayName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFile</key>
+	<string></string>
+	<key>CFBundleIdentifier</key>
+	<string>com.teluu.${PRODUCT_NAME:rfc1034identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
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diff --git a/pjsip-apps/src/ipjsystest/ipjsystest.xcodeproj/project.pbxproj b/pjsip-apps/src/ipjsystest/ipjsystest.xcodeproj/project.pbxproj
new file mode 100755
index 00000000..97ad3e53
--- /dev/null
+++ b/pjsip-apps/src/ipjsystest/ipjsystest.xcodeproj/project.pbxproj
@@ -0,0 +1,425 @@
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+			children = (
+				3A3479861154EC4E00D51880 /* AudioToolbox.framework */,
+				1DF5F4DF0D08C38300B7A737 /* UIKit.framework */,
+				1D30AB110D05D00D00671497 /* Foundation.framework */,
+				2892E40F0DC94CBA00A64D0F /* CoreGraphics.framework */,
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
+		3A3479201154DAE600D51880 /* pjsystest */ = {
+			isa = PBXGroup;
+			children = (
+				3A3479731154EB6B00D51880 /* systest.h */,
+				3A3479721154EB5B00D51880 /* gui.h */,
+				3A3479211154DB0800D51880 /* systest.c */,
+			);
+			name = pjsystest;
+			sourceTree = "<group>";
+		};
+		3A3479941154EC6B00D51880 /* Libraries */ = {
+			isa = PBXGroup;
+			children = (
+				3AE90E95115F7A4E00FAEAA5 /* libg7221codec-arm-apple-darwin9.a */,
+				3AE90E96115F7A4F00FAEAA5 /* libilbccodec-arm-apple-darwin9.a */,
+				3AE90E97115F7A4F00FAEAA5 /* libmilenage-arm-apple-darwin9.a */,
+				3AE90E98115F7A4F00FAEAA5 /* libpjsdp-arm-apple-darwin9.a */,
+				3AE90E99115F7A4F00FAEAA5 /* libspeex-arm-apple-darwin9.a */,
+				3AE90E9A115F7A4F00FAEAA5 /* libsrtp-arm-apple-darwin9.a */,
+				3A3479991154ECA300D51880 /* libgsmcodec-arm-apple-darwin9.a */,
+				3A34799B1154ECB100D51880 /* libresample-arm-apple-darwin9.a */,
+				3A34794A1154E39900D51880 /* libpjmedia-arm-apple-darwin9.a */,
+				3A34794C1154E39900D51880 /* libpjmedia-audiodev-arm-apple-darwin9.a */,
+				3A34794E1154E3F000D51880 /* libpjsip-arm-apple-darwin9.a */,
+				3A3479501154E42400D51880 /* libpjsip-simple-arm-apple-darwin9.a */,
+				3A3479521154E42400D51880 /* libpjsip-ua-arm-apple-darwin9.a */,
+				3A3479541154E42400D51880 /* libpjsua-arm-apple-darwin9.a */,
+				3A34795A1154E45A00D51880 /* libpj-arm-apple-darwin9.a */,
+				3A34795C1154E48700D51880 /* libpjlib-util-arm-apple-darwin9.a */,
+				3A3479781154EBDE00D51880 /* libpjmedia-codec-arm-apple-darwin9.a */,
+				3A34797A1154EBDE00D51880 /* libpjnath-arm-apple-darwin9.a */,
+			);
+			name = Libraries;
+			sourceTree = "<group>";
+		};
+/* End PBXGroup section */
+
+/* Begin PBXNativeTarget section */
+		1D6058900D05DD3D006BFB54 /* ipjsystest */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 1D6058960D05DD3E006BFB54 /* Build configuration list for PBXNativeTarget "ipjsystest" */;
+			buildPhases = (
+				1D60588D0D05DD3D006BFB54 /* Resources */,
+				1D60588E0D05DD3D006BFB54 /* Sources */,
+				1D60588F0D05DD3D006BFB54 /* Frameworks */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = ipjsystest;
+			productName = ipjsystest;
+			productReference = 1D6058910D05DD3D006BFB54 /* ipjsystest.app */;
+			productType = "com.apple.product-type.application";
+		};
+/* End PBXNativeTarget section */
+
+/* Begin PBXProject section */
+		29B97313FDCFA39411CA2CEA /* Project object */ = {
+			isa = PBXProject;
+			attributes = {
+				ORGANIZATIONNAME = Teluu;
+			};
+			buildConfigurationList = C01FCF4E08A954540054247B /* Build configuration list for PBXProject "ipjsystest" */;
+			compatibilityVersion = "Xcode 3.1";
+			hasScannedForEncodings = 1;
+			knownRegions = (
+				English,
+				Japanese,
+				French,
+				German,
+				en,
+			);
+			mainGroup = 29B97314FDCFA39411CA2CEA /* CustomTemplate */;
+			projectDirPath = "";
+			projectRoot = "";
+			targets = (
+				1D6058900D05DD3D006BFB54 /* ipjsystest */,
+			);
+		};
+/* End PBXProject section */
+
+/* Begin PBXResourcesBuildPhase section */
+		1D60588D0D05DD3D006BFB54 /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				28AD73600D9D9599002E5188 /* MainWindow.xib in Resources */,
+				28F335F11007B36200424DE2 /* RootViewController.xib in Resources */,
+				3A3478AA1154BF8E00D51880 /* TestViewController.xib in Resources */,
+				3ADA4AB911572300008D95FE /* input.8.wav in Resources */,
+				3AC6435E1162192900B7A751 /* tock8.wav in Resources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXResourcesBuildPhase section */
+
+/* Begin PBXSourcesBuildPhase section */
+		1D60588E0D05DD3D006BFB54 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				1D60589B0D05DD56006BFB54 /* main.m in Sources */,
+				1D3623260D0F684500981E51 /* ipjsystestAppDelegate.m in Sources */,
+				28C286E10D94DF7D0034E888 /* RootViewController.m in Sources */,
+				3A3478AF1154BFD700D51880 /* TestViewController.m in Sources */,
+				3A3479221154DB0800D51880 /* systest.c in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXSourcesBuildPhase section */
+
+/* Begin XCBuildConfiguration section */
+		1D6058940D05DD3E006BFB54 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				COPY_PHASE_STRIP = NO;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = ipjsystest_Prefix.pch;
+				INFOPLIST_FILE = "ipjsystest-Info.plist";
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					"\"$(SRCROOT)/../../../pjmedia/lib\"",
+					"\"$(SRCROOT)/../../../pjsip/lib\"",
+					"\"$(SRCROOT)/../../../pjlib/lib\"",
+					"\"$(SRCROOT)/../../../pjlib-util/lib\"",
+					"\"$(SRCROOT)/../../../pjnath/lib\"",
+					"\"$(SRCROOT)/../../../third_party/lib\"",
+				);
+				PRODUCT_NAME = ipjsystest;
+			};
+			name = Debug;
+		};
+		1D6058950D05DD3E006BFB54 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				COPY_PHASE_STRIP = YES;
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = ipjsystest_Prefix.pch;
+				INFOPLIST_FILE = "ipjsystest-Info.plist";
+				LIBRARY_SEARCH_PATHS = (
+					"$(inherited)",
+					"\"$(SRCROOT)/../../../pjmedia/lib\"",
+					"\"$(SRCROOT)/../../../pjsip/lib\"",
+					"\"$(SRCROOT)/../../../pjlib/lib\"",
+					"\"$(SRCROOT)/../../../pjlib-util/lib\"",
+					"\"$(SRCROOT)/../../../pjnath/lib\"",
+					"\"$(SRCROOT)/../../../third_party/lib\"",
+				);
+				PRODUCT_NAME = ipjsystest;
+			};
+			name = Release;
+		};
+		C01FCF4F08A954540054247B /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				GCC_C_LANGUAGE_STANDARD = c99;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				HEADER_SEARCH_PATHS = (
+					../../../pjsip/include,
+					../../../pjlib/include,
+					"../../../pjlib-util/include",
+					../../../pjnath/include,
+					../../../pjmedia/include,
+				);
+				LIBRARY_SEARCH_PATHS = (
+					../../../pjlib/lib,
+					"../../../pjlib-util/lib",
+					../../../pjnath/lib,
+					../../../pjmedia/lib,
+					../../../pjsip/lib,
+					../../../third_party/lib,
+				);
+				PREBINDING = NO;
+				SDKROOT = iphoneos3.1.2;
+			};
+			name = Debug;
+		};
+		C01FCF5008A954540054247B /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
+				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
+				GCC_C_LANGUAGE_STANDARD = c99;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				HEADER_SEARCH_PATHS = (
+					../../../pjsip/include,
+					../../../pjlib/include,
+					"../../../pjlib-util/include",
+					../../../pjnath/include,
+					../../../pjmedia/include,
+				);
+				LIBRARY_SEARCH_PATHS = (
+					../../../pjlib/lib,
+					"../../../pjlib-util/lib",
+					../../../pjnath/lib,
+					../../../pjmedia/lib,
+					../../../pjsip/lib,
+					../../../third_party/lib,
+				);
+				PREBINDING = NO;
+				SDKROOT = iphoneos3.1.2;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		1D6058960D05DD3E006BFB54 /* Build configuration list for PBXNativeTarget "ipjsystest" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				1D6058940D05DD3E006BFB54 /* Debug */,
+				1D6058950D05DD3E006BFB54 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		C01FCF4E08A954540054247B /* Build configuration list for PBXProject "ipjsystest" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				C01FCF4F08A954540054247B /* Debug */,
+				C01FCF5008A954540054247B /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 29B97313FDCFA39411CA2CEA /* Project object */;
+}
diff --git a/pjsip-apps/src/ipjsystest/ipjsystest_Prefix.pch b/pjsip-apps/src/ipjsystest/ipjsystest_Prefix.pch
new file mode 100644
index 00000000..8f7b7548
--- /dev/null
+++ b/pjsip-apps/src/ipjsystest/ipjsystest_Prefix.pch
@@ -0,0 +1,14 @@
+//
+// Prefix header for all source files of the 'ipjsystest' target in the 'ipjsystest' project
+//
+#import <Availability.h>
+
+#ifndef __IPHONE_3_0
+#warning "This project uses features only available in iPhone SDK 3.0 and later."
+#endif
+
+
+#ifdef __OBJC__
+    #import <Foundation/Foundation.h>
+    #import <UIKit/UIKit.h>
+#endif
diff --git a/pjsip-apps/src/ipjsystest/main.m b/pjsip-apps/src/ipjsystest/main.m
new file mode 100644
index 00000000..e7c80d10
--- /dev/null
+++ b/pjsip-apps/src/ipjsystest/main.m
@@ -0,0 +1,17 @@
+//
+//  main.m
+//  ipjsystest
+//
+//  Created by Liong Sauw Ming on 3/20/10.
+//  Copyright Teluu Inc. (http://www.teluu.com) 2010. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+int main(int argc, char *argv[]) {
+    
+    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
+    int retVal = UIApplicationMain(argc, argv, nil, nil);
+    [pool release];
+    return retVal;
+}
diff --git a/pjsip-apps/src/pjsua/gui.h b/pjsip-apps/src/pjsua/gui.h
new file mode 100644
index 00000000..6a321bf2
--- /dev/null
+++ b/pjsip-apps/src/pjsua/gui.h
@@ -0,0 +1,38 @@
+/* $Id$ */
+/* 
+ * Copyright (C) 2008-2010 Teluu Inc. (http://www.teluu.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+ */
+#ifndef __GUI_H__
+#define __GUI_H__
+
+PJ_BEGIN_DECL
+
+#ifdef USE_GUI
+
+#define printf showMsg
+#define puts(str) showMsg("%s\n", str)
+#define fgets getInput
+
+void showMsg(const char *format, ...);
+char * getInput(char *s, int n, FILE *stream);
+
+#endif
+
+PJ_END_DECL
+
+
+#endif	/* __GUI_H__ */
diff --git a/pjsip-apps/src/pjsua/pjsua_app.c b/pjsip-apps/src/pjsua/pjsua_app.c
index aed2dd53..29dcea3e 100644
--- a/pjsip-apps/src/pjsua/pjsua_app.c
+++ b/pjsip-apps/src/pjsua/pjsua_app.c
@@ -18,6 +18,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
  */
 #include <pjsua-lib/pjsua.h>
+#include "gui.h"
 
 
 #define THIS_FILE	"pjsua_app.c"
@@ -149,7 +150,8 @@ static void ringback_start(pjsua_call_id call_id);
 static void ring_start(pjsua_call_id call_id);
 static void ring_stop(pjsua_call_id call_id);
 
-pj_bool_t app_restart;
+pj_bool_t 	app_restart;
+pj_log_func     *log_cb = NULL;
 
 /*****************************************************************************
  * Configuration manipulation
@@ -4494,6 +4496,7 @@ pj_status_t app_init(int argc, char *argv[])
     app_config.cfg.cb.on_nat_detect = &on_nat_detect;
     app_config.cfg.cb.on_mwi_info = &on_mwi_info;
     app_config.cfg.cb.on_transport_state = &on_transport_state;
+    app_config.log_cfg.cb = log_cb;
 
     /* Set sound device latency */
     if (app_config.capture_lat > 0)
diff --git a/pjsip-apps/src/pjsystest/systest.c b/pjsip-apps/src/pjsystest/systest.c
index 6044ab52..9cc7ea4f 100644
--- a/pjsip-apps/src/pjsystest/systest.c
+++ b/pjsip-apps/src/pjsystest/systest.c
@@ -23,6 +23,9 @@
 
 unsigned    test_item_count;
 test_item_t test_items[SYSTEST_MAX_TEST];
+char	    doc_path[PATH_LENGTH] = {0};
+char	    res_path[PATH_LENGTH] = {0};
+char	    fpath[PATH_LENGTH];
 
 #define USER_ERROR  "User used said not okay"
 
@@ -82,9 +85,16 @@ static gui_menu root_menu = {
 
 /*****************************************************************/
 
+PJ_INLINE(char *) add_path(const char *path, const char *fname)
+{
+    strncpy(fpath, path, PATH_LENGTH);
+    strncat(fpath, fname, PATH_LENGTH);
+    return fpath;
+}
+
 static void exit_app(void)
 {
-    systest_save_result(RESULT_OUT_PATH);
+    systest_save_result(add_path(doc_path, RESULT_OUT_PATH));
     gui_destroy();
 }
 
@@ -333,14 +343,14 @@ on_return:
 
 static void systest_play_wav1(void)
 {
-    const char *paths[] = { WAV_PLAYBACK_PATH, 
+    const char *paths[] = { add_path(res_path, WAV_PLAYBACK_PATH),
 			    ALT_PATH1 WAV_PLAYBACK_PATH };
     systest_play_wav(PJ_ARRAY_SIZE(paths), paths);
 }
 
 static void systest_play_wav2(void)
 {
-    const char *paths[] = { WAV_TOCK8_PATH, 
+    const char *paths[] = { add_path(res_path, WAV_TOCK8_PATH),
 			    ALT_PATH1 WAV_TOCK8_PATH};
     systest_play_wav(PJ_ARRAY_SIZE(paths), paths);
 }
@@ -351,7 +361,7 @@ static void systest_play_wav2(void)
  */
 static void systest_rec_audio(void)
 {
-    const pj_str_t filename = pj_str(WAV_REC_OUT_PATH);
+    const pj_str_t filename = pj_str(add_path(doc_path, WAV_REC_OUT_PATH));
     pj_pool_t *pool = NULL;
     enum gui_key key;
     pjsua_recorder_id rec_id = PJSUA_INVALID_ID;
@@ -736,8 +746,8 @@ static int calculate_latency(pj_pool_t *pool, pjmedia_port *wav,
 
 static void systest_latency_test(void)
 {
-    const char *ref_wav_paths[] = { WAV_TOCK8_PATH, ALT_PATH1 WAV_TOCK8_PATH };
-    const pj_str_t rec_wav_file = pj_str(WAV_LATENCY_OUT_PATH);
+    const char *ref_wav_paths[] = { add_path(res_path, WAV_TOCK8_PATH), ALT_PATH1 WAV_TOCK8_PATH };
+    pj_str_t rec_wav_file;
     pjsua_player_id play_id = PJSUA_INVALID_ID;
     pjsua_conf_port_id play_slot = PJSUA_INVALID_ID;
     pjsua_recorder_id rec_id = PJSUA_INVALID_ID;
@@ -785,6 +795,7 @@ static void systest_latency_test(void)
 
     play_slot = pjsua_player_get_conf_port(play_id);
 
+    rec_wav_file = pj_str(add_path(doc_path, WAV_LATENCY_OUT_PATH));
     status = pjsua_recorder_create(&rec_wav_file, 0, NULL, -1, 0, &rec_id);
     if (status != PJ_SUCCESS)
 	goto on_return;
@@ -1061,7 +1072,7 @@ int systest_init(void)
     }
 
     pjsua_logging_config_default(&log_cfg);
-    log_cfg.log_filename = pj_str(LOG_OUT_PATH);
+    log_cfg.log_filename = pj_str(add_path(doc_path, LOG_OUT_PATH));
 
     pjsua_config_default(&systest.ua_cfg);
     pjsua_media_config_default(&systest.media_cfg);
diff --git a/pjsip-apps/src/pjsystest/systest.h b/pjsip-apps/src/pjsystest/systest.h
index ddc286a1..4732a553 100644
--- a/pjsip-apps/src/pjsystest/systest.h
+++ b/pjsip-apps/src/pjsystest/systest.h
@@ -91,6 +91,9 @@ typedef struct test_item_t
 #define SYSTEST_MAX_TEST    32
 extern unsigned	    test_item_count;
 extern test_item_t  test_items[SYSTEST_MAX_TEST];
+#define PATH_LENGTH	    128
+extern char	    doc_path[PATH_LENGTH];
+extern char	    res_path[PATH_LENGTH];
 
 test_item_t *systest_alloc_test_item(const char *title);