Added RINGBEGIN event (optionally)

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@747 5390a7c7-147a-4af0-8ec9-7488f05a26cb

3 files changed, 15 insertions, 0 deletions

diff --git a/zaptel.c b/zaptel.c
index 714fc66..da898c6 100755
--- a/zaptel.c
+++ b/zaptel.c
@@ -5139,6 +5139,11 @@ static void __zt_hooksig_pvt(struct zt_chan *chan, zt_rxsig_t rxsig)
 	if ((chan->flags & ZT_FLAG_SIGFREEZE)) return;
 
 	chan->rxhooksig = rxsig;
+#ifdef	RINGBEGIN
+	if ((chan->sig & __ZT_SIG_FXS) && (rxsig == ZT_RXSIG_RING) &&
+	    (!chan->ringdebtimer))
+		__qevent(chan,ZT_EVENT_RINGBEGIN);  
+#endif
 	switch(chan->sig) {
 	    case ZT_SIG_EM:  /* E and M */
 	    case ZT_SIG_EM_E1:
diff --git a/zaptel.h b/zaptel.h
index a096fc0..bb872e1 100755
--- a/zaptel.h
+++ b/zaptel.h
@@ -804,6 +804,9 @@ struct zt_tone_def {		/* Structure for zone programming */
 /* Timer event -- ping ready */
 #define ZT_EVENT_TIMER_PING		16
 
+/* Ring Begin event */
+#define ZT_EVENT_RINGBEGIN  18
+
 /* Polarity reversal event */
 #define ZT_EVENT_POLARITY  17
 
diff --git a/zconfig.h b/zconfig.h
index 1b4dc9c..b02397c 100755
--- a/zconfig.h
+++ b/zconfig.h
@@ -140,4 +140,11 @@
  */
 /* #define EMFLASH */
 
+/* 
+ * Comment out the following if you dont want events to indicate the
+ * beginning of an incomming ring. Most non-asterisk applications will
+ * want this commented out.
+ */
+/* #define RINGBEGIN */
+
 #endif