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+/* $Id: sip_config.h 4172 2012-06-19 14:35:18Z nanang $ */
+/*
+ * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
+ *
+ * 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 __PJSIP_SIP_CONFIG_H__
+#define __PJSIP_SIP_CONFIG_H__
+
+/**
+ * @file sip_config.h
+ * @brief Compile time configuration.
+ */
+#include <pj/types.h>
+
+/**
+ * @defgroup PJSIP_CORE Core SIP Library
+ * @brief The core framework from which all other SIP components depends on.
+ *
+ * The PJSIP Core library only provides transport framework, event
+ * dispatching/module framework, and SIP message representation and
+ * parsing. It doesn't do anything usefull in itself!
+ *
+ * If application wants the stack to do anything usefull at all,
+ * it must registers @ref PJSIP_MOD to the core library. Examples
+ * of modules are @ref PJSIP_TRANSACT and @ref PJSUA_UA.
+ */
+
+/**
+ * @defgroup PJSIP_BASE Base Types
+ * @ingroup PJSIP_CORE
+ * @brief Basic PJSIP types and configurations.
+ */
+
+/**
+ * @defgroup PJSIP_CONFIG PJSIP Configurations/Settings
+ * @ingroup PJSIP_BASE
+ * @brief PJSIP compile time configurations.
+ * @{
+ */
+
+/*
+ * Include sip_autoconf.h if autoconf is used (PJ_AUTOCONF is set)
+ */
+#if defined(PJ_AUTOCONF)
+# include <pjsip/sip_autoconf.h>
+#endif
+
+PJ_BEGIN_DECL
+
+/**
+ * This structure describes PJSIP run-time configurations/settings.
+ * Application may use #pjsip_cfg() function to modify the settings
+ * before creating the stack.
+ */
+typedef struct pjsip_cfg_t
+{
+ /** Global settings. */
+ struct {
+ /**
+ * Specify port number should be allowed to appear in To and From
+ * header. Note that RFC 3261 disallow this, see Table 1 in section
+ * 19.1.1 of the RFC. Default is PJSIP_ALLOW_PORT_IN_FROMTO_HDR.
+ */
+ pj_bool_t allow_port_in_fromto_hdr;
+
+ /**
+ * Disable rport in request.
+ */
+ pj_bool_t disable_rport;
+
+ /**
+ * Disable automatic switching from UDP to TCP if outgoing request
+ * is greater than 1300 bytes. See PJSIP_DONT_SWITCH_TO_TCP.
+ */
+ pj_bool_t disable_tcp_switch;
+
+ } endpt;
+
+ /** Transaction layer settings. */
+ struct {
+
+ /** Maximum number of transactions. The value is initialized with
+ * PJSIP_MAX_TSX_COUNT
+ */
+ unsigned max_count;
+
+ /* Timeout values: */
+
+ /** Transaction T1 timeout, in msec. Default value is PJSIP_T1_TIMEOUT
+ */
+ unsigned t1;
+
+ /** Transaction T2 timeout, in msec. Default value is PJSIP_T2_TIMEOUT
+ */
+ unsigned t2;
+
+ /** Transaction completed timer for non-INVITE, in msec. Default value
+ * is PJSIP_T4_TIMEOUT
+ */
+ unsigned t4;
+
+ /** Transaction completed timer for INVITE, in msec. Default value is
+ * PJSIP_TD_TIMEOUT.
+ */
+ unsigned td;
+
+ } tsx;
+
+ /* Dialog layer settings .. TODO */
+
+ /** Client registration settings. */
+ struct {
+ /**
+ * Specify whether client registration should check for its
+ * registered contact in Contact header of successful REGISTER
+ * response to determine whether registration has been successful.
+ * This setting may be disabled if non-compliant registrar is unable
+ * to return correct Contact header.
+ *
+ * Default is PJSIP_REGISTER_CLIENT_CHECK_CONTACT
+ */
+ pj_bool_t check_contact;
+
+ /**
+ * Specify whether client registration should add "x-uid" extension
+ * parameter in all Contact URIs that it registers to assist the
+ * matching of Contact URIs in the 200/OK REGISTER response, in
+ * case the registrar is unable to return exact Contact URI in the
+ * 200/OK response.
+ *
+ * Default is PJSIP_REGISTER_CLIENT_ADD_XUID_PARAM.
+ */
+ pj_bool_t add_xuid_param;
+
+ } regc;
+
+} pjsip_cfg_t;
+
+
+#ifdef PJ_DLL
+/**
+ * Get pjsip configuration instance. Application may modify the
+ * settings before creating the SIP endpoint and modules.
+ *
+ * @return Configuration instance.
+ */
+PJ_DECL(pjsip_cfg_t*) pjsip_cfg(void);
+
+#else /* PJ_DLL */
+
+extern pjsip_cfg_t pjsip_sip_cfg_var;
+
+/**
+ * Get pjsip configuration instance. Application may modify the
+ * settings before creating the SIP endpoint and modules.
+ *
+ * @return Configuration instance.
+ */
+PJ_INLINE(pjsip_cfg_t*) pjsip_cfg(void)
+{
+ return &pjsip_sip_cfg_var;
+}
+
+#endif /* PJ_DLL */
+
+
+/**
+ * Specify maximum transaction count in transaction hash table.
+ * For efficiency, the value should be 2^n-1 since it will be
+ * rounded up to 2^n.
+ *
+ * Default value is 1023
+ */
+#ifndef PJSIP_MAX_TSX_COUNT
+# define PJSIP_MAX_TSX_COUNT (1024-1)
+#endif
+
+/**
+ * Specify maximum number of dialogs in the dialog hash table.
+ * For efficiency, the value should be 2^n-1 since it will be
+ * rounded up to 2^n.
+ *
+ * Default value is 511.
+ */
+#ifndef PJSIP_MAX_DIALOG_COUNT
+# define PJSIP_MAX_DIALOG_COUNT (512-1)
+#endif
+
+
+/**
+ * Specify maximum number of transports.
+ * Default value is equal to maximum number of handles in ioqueue.
+ * See also PJSIP_TPMGR_HTABLE_SIZE.
+ */
+#ifndef PJSIP_MAX_TRANSPORTS
+# define PJSIP_MAX_TRANSPORTS (PJ_IOQUEUE_MAX_HANDLES)
+#endif
+
+
+/**
+ * Transport manager hash table size (must be 2^n-1).
+ * See also PJSIP_MAX_TRANSPORTS
+ */
+#ifndef PJSIP_TPMGR_HTABLE_SIZE
+# define PJSIP_TPMGR_HTABLE_SIZE 31
+#endif
+
+
+/**
+ * Specify maximum URL size.
+ * This constant is used mainly when printing the URL for logging purpose
+ * only.
+ */
+#ifndef PJSIP_MAX_URL_SIZE
+# define PJSIP_MAX_URL_SIZE 256
+#endif
+
+
+/**
+ * Specify maximum number of modules.
+ * This mainly affects the size of mod_data array in various components.
+ */
+#ifndef PJSIP_MAX_MODULE
+# define PJSIP_MAX_MODULE 32
+#endif
+
+
+/**
+ * Maximum packet length. We set it more than MTU since a SIP PDU
+ * containing presence information can be quite large (>1500).
+ */
+#ifndef PJSIP_MAX_PKT_LEN
+# define PJSIP_MAX_PKT_LEN 4000
+#endif
+
+
+/**
+ * RFC 3261 section 18.1.1:
+ * If a request is within 200 bytes of the path MTU, or if it is larger
+ * than 1300 bytes and the path MTU is unknown, the request MUST be sent
+ * using an RFC 2914 [43] congestion controlled transport protocol, such
+ * as TCP.
+ *
+ * Disable the behavior of automatic switching to TCP whenever UDP packet
+ * size exceeds the threshold defined in PJSIP_UDP_SIZE_THRESHOLD.
+ *
+ * This option can also be controlled at run-time by the \a disable_tcp_switch
+ * setting in pjsip_cfg_t.
+ *
+ * Default is 0 (no).
+ */
+#ifndef PJSIP_DONT_SWITCH_TO_TCP
+# define PJSIP_DONT_SWITCH_TO_TCP 0
+#endif
+
+
+/**
+ * This setting controls the threshold of the UDP packet, which if it's
+ * larger than this value the request will be sent with TCP. This setting
+ * is useful only when PJSIP_DONT_SWITCH_TO_TCP is set to 0.
+ *
+ * Default is 1300 bytes.
+ */
+#ifndef PJSIP_UDP_SIZE_THRESHOLD
+# define PJSIP_UDP_SIZE_THRESHOLD 1300
+#endif
+
+
+/**
+ * Encode SIP headers in their short forms to reduce size. By default,
+ * SIP headers in outgoing messages will be encoded in their full names.
+ * If this option is enabled, then SIP headers for outgoing messages
+ * will be encoded in their short forms, to reduce message size.
+ * Note that this does not affect the ability of PJSIP to parse incoming
+ * SIP messages, as the parser always supports parsing both the long
+ * and short version of the headers.
+ *
+ * Note that there is also an undocumented variable defined in sip_msg.c
+ * to control whether compact form should be used for encoding SIP
+ * headers. The default value of this variable is PJSIP_ENCODE_SHORT_HNAME.
+ * To change PJSIP behavior during run-time, application can use the
+ * following construct:
+ *
+ \verbatim
+ extern pj_bool_t pjsip_use_compact_form;
+
+ // enable compact form
+ pjsip_use_compact_form = PJ_TRUE;
+ \endverbatim
+ *
+ * Default is 0 (no)
+ */
+#ifndef PJSIP_ENCODE_SHORT_HNAME
+# define PJSIP_ENCODE_SHORT_HNAME 0
+#endif
+
+
+/**
+ * Send Allow header in dialog establishing requests?
+ * RFC 3261 Allow header SHOULD be included in dialog establishing
+ * requests to inform remote agent about which SIP requests are
+ * allowed within dialog.
+ *
+ * Note that there is also an undocumented variable defined in sip_dialog.c
+ * to control whether Allow header should be included. The default value
+ * of this variable is PJSIP_INCLUDE_ALLOW_HDR_IN_DLG.
+ * To change PJSIP behavior during run-time, application can use the
+ * following construct:
+ *
+ \verbatim
+ extern pj_bool_t pjsip_include_allow_hdr_in_dlg;
+
+ // do not transmit Allow header
+ pjsip_include_allow_hdr_in_dlg = PJ_FALSE;
+ \endverbatim
+ *
+ * Default is 1 (Yes)
+ */
+#ifndef PJSIP_INCLUDE_ALLOW_HDR_IN_DLG
+# define PJSIP_INCLUDE_ALLOW_HDR_IN_DLG 1
+#endif
+
+
+/**
+ * Allow SIP modules removal or insertions during operation?
+ * If yes, then locking will be employed when endpoint need to
+ * access module.
+ */
+#ifndef PJSIP_SAFE_MODULE
+# define PJSIP_SAFE_MODULE 1
+#endif
+
+
+/**
+ * Perform Via sent-by checking as specified in RFC 3261 Section 18.1.2,
+ * which says that UAC MUST silently discard responses with Via sent-by
+ * containing values that the UAC doesn't recognize as its transport
+ * address.
+ *
+ * In PJSIP, this will cause response to be discarded and a message is
+ * written to the log, saying something like:
+ * "Dropping response Response msg 200/INVITE/cseq=608594373 (rdata00A99EF4)
+ * from 1.2.3.4:5060 because sent-by is mismatch"
+ *
+ * The default behavior is yes, but when the UA supports IP address change
+ * for the SIP transport, it will need to turn this checking off since
+ * when the transport address is changed between request is sent and
+ * response is received, the response will be discarded since its Via
+ * sent-by now contains address that is different than the transport
+ * address.
+ */
+#ifndef PJSIP_CHECK_VIA_SENT_BY
+# define PJSIP_CHECK_VIA_SENT_BY 1
+#endif
+
+
+/**
+ * If non-zero, SIP parser will unescape the escape characters ('%')
+ * in the original message, which means that it will modify the
+ * original message. Otherwise the parser will create a copy of
+ * the string and store the unescaped string to the new location.
+ *
+ * Unescaping in-place is faster, but less elegant (and it may
+ * break certain applications). So normally it's disabled, unless
+ * when benchmarking (to show off big performance).
+ *
+ * Default: 0
+ */
+#ifndef PJSIP_UNESCAPE_IN_PLACE
+# define PJSIP_UNESCAPE_IN_PLACE 0
+#endif
+
+
+/**
+ * Specify port number should be allowed to appear in To and From
+ * header. Note that RFC 3261 disallow this, see Table 1 in section
+ * 19.1.1 of the RFC. This setting can also be altered at run-time
+ * via pjsip_cfg setting, see pjsip_cfg_t.allow_port_in_fromto_hdr
+ * field.
+ *
+ * Default: 0
+ */
+#ifndef PJSIP_ALLOW_PORT_IN_FROMTO_HDR
+# define PJSIP_ALLOW_PORT_IN_FROMTO_HDR 0
+#endif
+
+/**
+ * This macro controls maximum numbers of ioqueue events to be processed
+ * in a single pjsip_endpt_handle_events() poll. When PJSIP detects that
+ * there are probably more events available from the network and total
+ * events so far is less than this value, PJSIP will call pj_ioqueue_poll()
+ * again to get more events.
+ *
+ * Value 1 works best for ioqueue with select() back-end, while for IOCP it is
+ * probably best to set this value equal to PJSIP_MAX_TIMED_OUT_ENTRIES
+ * since IOCP only processes one event at a time.
+ *
+ * Default: 1
+ */
+#ifndef PJSIP_MAX_NET_EVENTS
+# define PJSIP_MAX_NET_EVENTS 1
+#endif
+
+
+/**
+ * Max entries to process in timer heap per poll.
+ *
+ * Default: 10
+ */
+#ifndef PJSIP_MAX_TIMED_OUT_ENTRIES
+# define PJSIP_MAX_TIMED_OUT_ENTRIES 10
+#endif
+
+
+/**
+ * Idle timeout interval to be applied to outgoing transports (i.e. client
+ * side) with no usage before the transport is destroyed. Value is in
+ * seconds.
+ *
+ * Note that if the value is put lower than 33 seconds, it may cause some
+ * pjsip test units to fail. See the comment on the following link:
+ * https://trac.pjsip.org/repos/ticket/1465#comment:4
+ *
+ * Default: 33
+ */
+#ifndef PJSIP_TRANSPORT_IDLE_TIME
+# define PJSIP_TRANSPORT_IDLE_TIME 33
+#endif
+
+
+/**
+ * Idle timeout interval to be applied to incoming transports (i.e. server
+ * side) with no usage before the transport is destroyed. Server typically
+ * should let client close the connection, hence set this interval to a large
+ * value. Value is in seconds.
+ *
+ * Default: 600
+ */
+#ifndef PJSIP_TRANSPORT_SERVER_IDLE_TIME
+# define PJSIP_TRANSPORT_SERVER_IDLE_TIME 600
+#endif
+
+
+/**
+ * Maximum number of usages for a transport before a new transport is
+ * created. This only applies for ephemeral transports such as TCP.
+ *
+ * Currently this is not used.
+ *
+ * Default: -1
+ */
+#ifndef PJSIP_MAX_TRANSPORT_USAGE
+# define PJSIP_MAX_TRANSPORT_USAGE ((unsigned)-1)
+#endif
+
+
+/**
+ * The TCP incoming connection backlog number to be set in accept().
+ *
+ * Default: 5
+ *
+ * @see PJSIP_TLS_TRANSPORT_BACKLOG
+ */
+#ifndef PJSIP_TCP_TRANSPORT_BACKLOG
+# define PJSIP_TCP_TRANSPORT_BACKLOG 5
+#endif
+
+
+/**
+ * Set the interval to send keep-alive packet for TCP transports.
+ * If the value is zero, keep-alive will be disabled for TCP.
+ *
+ * Default: 90 (seconds)
+ *
+ * @see PJSIP_TCP_KEEP_ALIVE_DATA
+ */
+#ifndef PJSIP_TCP_KEEP_ALIVE_INTERVAL
+# define PJSIP_TCP_KEEP_ALIVE_INTERVAL 90
+#endif
+
+
+/**
+ * Set the payload of the TCP keep-alive packet.
+ *
+ * Default: CRLF
+ */
+#ifndef PJSIP_TCP_KEEP_ALIVE_DATA
+# define PJSIP_TCP_KEEP_ALIVE_DATA { "\r\n\r\n", 4 }
+#endif
+
+
+/**
+ * Set the interval to send keep-alive packet for TLS transports.
+ * If the value is zero, keep-alive will be disabled for TLS.
+ *
+ * Default: 90 (seconds)
+ *
+ * @see PJSIP_TLS_KEEP_ALIVE_DATA
+ */
+#ifndef PJSIP_TLS_KEEP_ALIVE_INTERVAL
+# define PJSIP_TLS_KEEP_ALIVE_INTERVAL 90
+#endif
+
+
+/**
+ * Set the payload of the TLS keep-alive packet.
+ *
+ * Default: CRLF
+ */
+#ifndef PJSIP_TLS_KEEP_ALIVE_DATA
+# define PJSIP_TLS_KEEP_ALIVE_DATA { "\r\n\r\n", 4 }
+#endif
+
+
+/**
+ * This macro specifies whether full DNS resolution should be used.
+ * When enabled, #pjsip_resolve() will perform asynchronous DNS SRV and
+ * A (or AAAA, when IPv6 is supported) resolution to resolve the SIP
+ * domain.
+ *
+ * Note that even when this setting is enabled, asynchronous DNS resolution
+ * will only be done when application calls #pjsip_endpt_create_resolver(),
+ * configure the nameservers with pj_dns_resolver_set_ns(), and configure
+ * the SIP endpoint's DNS resolver with #pjsip_endpt_set_resolver(). If
+ * these steps are not followed, the domain will be resolved with normal
+ * pj_gethostbyname() function.
+ *
+ * Turning off this setting will save the footprint by about 16KB, since
+ * it should also exclude dns.o and resolve.o from PJLIB-UTIL.
+ *
+ * Default: 1 (enabled)
+ *
+ * @see PJSIP_MAX_RESOLVED_ADDRESSES
+ */
+#ifndef PJSIP_HAS_RESOLVER
+# define PJSIP_HAS_RESOLVER 1
+#endif
+
+
+/**
+ * Maximum number of addresses returned by the resolver. The number here
+ * will slightly affect stack usage, since each entry will occupy about
+ * 32 bytes of stack memory.
+ *
+ * Default: 8
+ *
+ * @see PJSIP_HAS_RESOLVER
+ */
+#ifndef PJSIP_MAX_RESOLVED_ADDRESSES
+# define PJSIP_MAX_RESOLVED_ADDRESSES 8
+#endif
+
+
+/**
+ * Enable TLS SIP transport support. For most systems this means that
+ * OpenSSL must be installed.
+ *
+ * Default: follow PJ_HAS_SSL_SOCK setting, which is 0 (disabled) by default.
+ */
+#ifndef PJSIP_HAS_TLS_TRANSPORT
+# define PJSIP_HAS_TLS_TRANSPORT PJ_HAS_SSL_SOCK
+#endif
+
+
+/**
+ * The TLS pending incoming connection backlog number to be set in accept().
+ *
+ * Default: 5
+ *
+ * @see PJSIP_TCP_TRANSPORT_BACKLOG
+ */
+#ifndef PJSIP_TLS_TRANSPORT_BACKLOG
+# define PJSIP_TLS_TRANSPORT_BACKLOG 5
+#endif
+
+
+
+/* Endpoint. */
+#define PJSIP_MAX_TIMER_COUNT (2*pjsip_cfg()->tsx.max_count + \
+ 2*PJSIP_MAX_DIALOG_COUNT)
+
+/**
+ * Initial memory block for the endpoint.
+ */
+#ifndef PJSIP_POOL_LEN_ENDPT
+# define PJSIP_POOL_LEN_ENDPT (4000)
+#endif
+
+/**
+ * Memory increment for endpoint.
+ */
+#ifndef PJSIP_POOL_INC_ENDPT
+# define PJSIP_POOL_INC_ENDPT (4000)
+#endif
+
+
+/* Transport related constants. */
+
+/**
+ * Initial memory block for rdata.
+ */
+#ifndef PJSIP_POOL_RDATA_LEN
+# define PJSIP_POOL_RDATA_LEN 4000
+#endif
+
+/**
+ * Memory increment for rdata.
+ */
+#ifndef PJSIP_POOL_RDATA_INC
+# define PJSIP_POOL_RDATA_INC 4000
+#endif
+
+#define PJSIP_POOL_LEN_TRANSPORT 512
+#define PJSIP_POOL_INC_TRANSPORT 512
+
+/**
+ * Initial memory block size for tdata.
+ */
+#ifndef PJSIP_POOL_LEN_TDATA
+# define PJSIP_POOL_LEN_TDATA 4000
+#endif
+
+/**
+ * Memory increment for tdata.
+ */
+#ifndef PJSIP_POOL_INC_TDATA
+# define PJSIP_POOL_INC_TDATA 4000
+#endif
+
+/**
+ * Initial memory size for UA layer
+ */
+#ifndef PJSIP_POOL_LEN_UA
+# define PJSIP_POOL_LEN_UA 512
+#endif
+
+/**
+ * Memory increment for UA layer.
+ */
+#ifndef PJSIP_POOL_INC_UA
+# define PJSIP_POOL_INC_UA 512
+#endif
+
+#define PJSIP_MAX_FORWARDS_VALUE 70
+
+#define PJSIP_RFC3261_BRANCH_ID "z9hG4bK"
+#define PJSIP_RFC3261_BRANCH_LEN 7
+
+/* Transaction related constants. */
+
+/**
+ * Initial memory size for transaction layer. The bulk of pool usage
+ * for transaction layer will be used to create the hash table, so
+ * setting this value too high will not help too much with reducing
+ * fragmentation and the memory will most likely be wasted.
+ */
+#ifndef PJSIP_POOL_TSX_LAYER_LEN
+# define PJSIP_POOL_TSX_LAYER_LEN 512
+#endif
+
+/**
+ * Memory increment for transaction layer. The bulk of pool usage
+ * for transaction layer will be used to create the hash table, so
+ * setting this value too high will not help too much with reducing
+ * fragmentation and the memory will most likely be wasted.
+ */
+#ifndef PJSIP_POOL_TSX_LAYER_INC
+# define PJSIP_POOL_TSX_LAYER_INC 512
+#endif
+
+/**
+ * Initial memory size for a SIP transaction object.
+ */
+#ifndef PJSIP_POOL_TSX_LEN
+# define PJSIP_POOL_TSX_LEN 1536 /* 768 */
+#endif
+
+/**
+ * Memory increment for transaction object.
+ */
+#ifndef PJSIP_POOL_TSX_INC
+# define PJSIP_POOL_TSX_INC 256
+#endif
+
+/**
+ * Delay for non-100 1xx retransmission, in seconds.
+ * Set to 0 to disable this feature.
+ *
+ * Default: 60 seconds
+ */
+#ifndef PJSIP_TSX_1XX_RETRANS_DELAY
+# define PJSIP_TSX_1XX_RETRANS_DELAY 60
+#endif
+
+#define PJSIP_MAX_TSX_KEY_LEN (PJSIP_MAX_URL_SIZE*2)
+
+/* User agent. */
+#define PJSIP_POOL_LEN_USER_AGENT 1024
+#define PJSIP_POOL_INC_USER_AGENT 1024
+
+/* Message/URL related constants. */
+#define PJSIP_MAX_CALL_ID_LEN pj_GUID_STRING_LENGTH()
+#define PJSIP_MAX_TAG_LEN pj_GUID_STRING_LENGTH()
+#define PJSIP_MAX_BRANCH_LEN (PJSIP_RFC3261_BRANCH_LEN + pj_GUID_STRING_LENGTH() + 2)
+#define PJSIP_MAX_HNAME_LEN 64
+
+/* Dialog related constants. */
+#define PJSIP_POOL_LEN_DIALOG 1200
+#define PJSIP_POOL_INC_DIALOG 512
+
+/* Maximum header types. */
+#define PJSIP_MAX_HEADER_TYPES 72
+
+/* Maximum URI types. */
+#define PJSIP_MAX_URI_TYPES 4
+
+/*****************************************************************************
+ * Default timeout settings, in miliseconds.
+ */
+
+/** Transaction T1 timeout value. */
+#if !defined(PJSIP_T1_TIMEOUT)
+# define PJSIP_T1_TIMEOUT 500
+#endif
+
+/** Transaction T2 timeout value. */
+#if !defined(PJSIP_T2_TIMEOUT)
+# define PJSIP_T2_TIMEOUT 4000
+#endif
+
+/** Transaction completed timer for non-INVITE */
+#if !defined(PJSIP_T4_TIMEOUT)
+# define PJSIP_T4_TIMEOUT 5000
+#endif
+
+/** Transaction completed timer for INVITE */
+#if !defined(PJSIP_TD_TIMEOUT)
+# define PJSIP_TD_TIMEOUT 32000
+#endif
+
+
+/*****************************************************************************
+ * Authorization
+ */
+
+/**
+ * If this flag is set, the stack will keep the Authorization/Proxy-Authorization
+ * headers that are sent in a cache. Future requests with the same realm and
+ * the same method will use the headers in the cache (as long as no qop is
+ * required by server).
+ *
+ * Turning on this flag will make authorization process goes faster, but
+ * will grow the memory usage undefinitely until the dialog/registration
+ * session is terminated.
+ *
+ * Default: 0
+ */
+#if !defined(PJSIP_AUTH_HEADER_CACHING)
+# define PJSIP_AUTH_HEADER_CACHING 0
+#endif
+
+/**
+ * If this flag is set, the stack will proactively send Authorization/Proxy-
+ * Authorization header for next requests. If next request has the same method
+ * with any of previous requests, then the last header which is saved in
+ * the cache will be used (if PJSIP_AUTH_CACHING is set). Otherwise a fresh
+ * header will be recalculated. If a particular server has requested qop, then
+ * a fresh header will always be calculated.
+ *
+ * If this flag is NOT set, then the stack will only send Authorization/Proxy-
+ * Authorization headers when it receives 401/407 response from server.
+ *
+ * Turning ON this flag will grow memory usage of a dialog/registration pool
+ * indefinitely until it is terminated, because the stack needs to keep the
+ * last WWW-Authenticate/Proxy-Authenticate challenge.
+ *
+ * Default: 0
+ */
+#if !defined(PJSIP_AUTH_AUTO_SEND_NEXT)
+# define PJSIP_AUTH_AUTO_SEND_NEXT 0
+#endif
+
+/**
+ * Support qop="auth" directive.
+ * This option also requires client to cache the last challenge offered by
+ * server.
+ *
+ * Default: 1
+ */
+#if !defined(PJSIP_AUTH_QOP_SUPPORT)
+# define PJSIP_AUTH_QOP_SUPPORT 1
+#endif
+
+
+/**
+ * Maximum number of stale retries when server keeps rejecting our request
+ * with stale=true.
+ *
+ * Default: 3
+ */
+#ifndef PJSIP_MAX_STALE_COUNT
+# define PJSIP_MAX_STALE_COUNT 3
+#endif
+
+
+/**
+ * Specify support for IMS/3GPP digest AKA authentication version 1 and 2
+ * (AKAv1-MD5 and AKAv2-MD5 respectively).
+ *
+ * Default: 0 (for now)
+ */
+#ifndef PJSIP_HAS_DIGEST_AKA_AUTH
+# define PJSIP_HAS_DIGEST_AKA_AUTH 0
+#endif
+
+
+/**
+ * Specify the number of seconds to refresh the client registration
+ * before the registration expires.
+ *
+ * Default: 5 seconds
+ */
+#ifndef PJSIP_REGISTER_CLIENT_DELAY_BEFORE_REFRESH
+# define PJSIP_REGISTER_CLIENT_DELAY_BEFORE_REFRESH 5
+#endif
+
+
+/**
+ * Specify whether client registration should check for its registered
+ * contact in Contact header of successful REGISTE response to determine
+ * whether registration has been successful. This setting may be disabled
+ * if non-compliant registrar is unable to return correct Contact header.
+ *
+ * This setting can be changed in run-time by settting \a regc.check_contact
+ * field of pjsip_cfg().
+ *
+ * Default is 1
+ */
+#ifndef PJSIP_REGISTER_CLIENT_CHECK_CONTACT
+# define PJSIP_REGISTER_CLIENT_CHECK_CONTACT 1
+#endif
+
+
+/**
+ * Specify whether client registration should add "x-uid" extension
+ * parameter in all Contact URIs that it registers to assist the
+ * matching of Contact URIs in the 200/OK REGISTER response, in
+ * case the registrar is unable to return exact Contact URI in the
+ * 200/OK response.
+ *
+ * This setting can be changed in run-time by setting
+ * \a regc.add_xuid_param field of pjsip_cfg().
+ *
+ * Default is 0.
+ */
+#ifndef PJSIP_REGISTER_CLIENT_ADD_XUID_PARAM
+# define PJSIP_REGISTER_CLIENT_ADD_XUID_PARAM 0
+#endif
+
+
+/*****************************************************************************
+ * SIP Event framework and presence settings.
+ */
+
+/**
+ * Specify the time (in seconds) to send SUBSCRIBE to refresh client
+ * subscription before the actual interval expires.
+ *
+ * Default: 5 seconds
+ */
+#ifndef PJSIP_EVSUB_TIME_UAC_REFRESH
+# define PJSIP_EVSUB_TIME_UAC_REFRESH 5
+#endif
+
+
+/**
+ * Specify the time (in seconds) to send PUBLISH to refresh client
+ * publication before the actual interval expires.
+ *
+ * Default: 5 seconds
+ */
+#ifndef PJSIP_PUBLISHC_DELAY_BEFORE_REFRESH
+# define PJSIP_PUBLISHC_DELAY_BEFORE_REFRESH 5
+#endif
+
+
+/**
+ * Specify the time (in seconds) to wait for the final NOTIFY from the
+ * server after client has sent un-SUBSCRIBE request.
+ *
+ * Default: 5 seconds
+ */
+#ifndef PJSIP_EVSUB_TIME_UAC_TERMINATE
+# define PJSIP_EVSUB_TIME_UAC_TERMINATE 5
+#endif
+
+
+/**
+ * Specify the time (in seconds) for client subscription to wait for another
+ * NOTIFY from the server, if it has rejected the last NOTIFY with non-2xx
+ * final response (such as 401). If further NOTIFY is not received within
+ * this period, the client will unsubscribe.
+ *
+ * Default: 5 seconds
+ */
+#ifndef PJSIP_EVSUB_TIME_UAC_WAIT_NOTIFY
+# define PJSIP_EVSUB_TIME_UAC_WAIT_NOTIFY 5
+#endif
+
+
+/**
+ * Specify the default expiration time for presence event subscription, for
+ * both client and server subscription. For client subscription, application
+ * can override this by specifying positive non-zero value in "expires"
+ * parameter when calling #pjsip_pres_initiate(). For server subscription,
+ * we would take the expiration value from the Expires header sent by client
+ * in the SUBSCRIBE request if the header exists and its value is less than
+ * this setting, otherwise this setting will be used.
+ *
+ * Default: 600 seconds (10 minutes)
+ */
+#ifndef PJSIP_PRES_DEFAULT_EXPIRES
+# define PJSIP_PRES_DEFAULT_EXPIRES 600
+#endif
+
+
+/**
+ * Specify the status code value to respond to bad message body in NOTIFY
+ * request for presence. Scenarios that are considered bad include non-
+ * PIDF/XML and non-XPIDF/XML body, multipart message bodies without PIDF/XML
+ * nor XPIDF/XML part, and bad (parsing error) PIDF and X-PIDF bodies
+ * themselves.
+ *
+ * Default value is 488. Application may change this to 200 to ignore the
+ * unrecognised content (this is useful if the application wishes to handle
+ * the content itself). Only non-3xx final response code is allowed here.
+ *
+ * Default: 488 (Not Acceptable Here)
+ */
+#ifndef PJSIP_PRES_BAD_CONTENT_RESPONSE
+# define PJSIP_PRES_BAD_CONTENT_RESPONSE 488
+#endif
+
+
+/**
+ * Add "timestamp" information in generated PIDF document for both server
+ * subscription and presence publication.
+ *
+ * Default: 1 (yes)
+ */
+#ifndef PJSIP_PRES_PIDF_ADD_TIMESTAMP
+# define PJSIP_PRES_PIDF_ADD_TIMESTAMP 1
+#endif
+
+
+/**
+ * Default session interval for Session Timer (RFC 4028) extension, in
+ * seconds. As specified in RFC 4028 Section 4, this value must not be
+ * less than the absolute minimum for the Session-Expires header field
+ * 90 seconds, and the recommended value is 1800 seconds.
+ *
+ * Default: 1800 seconds
+ */
+#ifndef PJSIP_SESS_TIMER_DEF_SE
+# define PJSIP_SESS_TIMER_DEF_SE 1800
+#endif
+
+
+/**
+ * Specify whether the client publication session should queue the
+ * PUBLISH request should there be another PUBLISH transaction still
+ * pending. If this is set to false, the client will return error
+ * on the PUBLISH request if there is another PUBLISH transaction still
+ * in progress.
+ *
+ * Default: 1 (yes)
+ */
+#ifndef PJSIP_PUBLISHC_QUEUE_REQUEST
+# define PJSIP_PUBLISHC_QUEUE_REQUEST 1
+#endif
+
+
+/**
+ * Specify the default expiration time for Message Waiting Indication
+ * (RFC 3842) event subscription, for both client and server subscription.
+ * For client subscription, application can override this by specifying
+ * positive non-zero value in "expires" parameter when calling
+ * #pjsip_mwi_initiate(). For server subscription, we would take the
+ * expiration value from the Expires header sent by client in the SUBSCRIBE
+ * request if the header exists and its value is less than this setting,
+ * otherwise this setting will be used.
+ *
+ * Default: 3600 seconds
+ */
+#ifndef PJSIP_MWI_DEFAULT_EXPIRES
+# define PJSIP_MWI_DEFAULT_EXPIRES 3600
+#endif
+
+
+PJ_END_DECL
+
+/**
+ * @}
+ */
+
+
+#include <pj/config.h>
+
+
+#endif /* __PJSIP_SIP_CONFIG_H__ */
+