diff --git a/libpri.h b/libpri.h
index 613e3b8..9d89b53 100755
--- a/libpri.h
+++ b/libpri.h
@@ -63,6 +63,7 @@
 #define PRI_EVENT_FACNAME	11	/* Caller*ID Name received on Facility */
 #define PRI_EVENT_INFO_RECEIVED 12	/* Additional info (keypad) received */
 #define PRI_EVENT_PROCEEDING	13	/* When we get CALL_PROCEEDING or PROGRESS */
+#define PRI_EVENT_SETUP_ACK	14	/* When we get SETUP_ACKNOWLEDGE */
 
 /* Simple states */
 #define PRI_STATE_DOWN		0
@@ -253,6 +254,10 @@ typedef struct pri_event_proceeding {
 	int channel;
 } pri_event_proceeding;
  
+typedef struct pri_event_setup_ack {
+	int e;
+	int channel;
+} pri_event_setup_ack;
 
 typedef union {
 	int e;
@@ -266,6 +271,7 @@ typedef union {
 	pri_event_ringing answer;	/* Answer */
 	pri_event_restart_ack restartack;	/* Restart Acknowledge */
 	pri_event_proceeding  proceeding;	/* Call proceeding & Progress */
+	pri_event_setup_ack   setup_ack;	/* SETUP_ACKNOWLEDGE structure */
 } pri_event;
 
 struct pri;
diff --git a/q931.c b/q931.c
index 472322f..6bc4796 100755
--- a/q931.c
+++ b/q931.c
@@ -1991,7 +1991,9 @@ int q931_receive(struct pri *pri, q931_h *h, int len)
 		break;
 	case Q931_SETUP_ACKNOWLEDGE:
 		c->ourcallstate = Q931_CALL_STATE_OVERLAP_SENDING;
-		break;
+		pri->ev.e = PRI_EVENT_SETUP_ACK;
+		pri->ev.setup_ack.channel = c->channelno;
+		return Q931_RES_HAVEEVENT;
 	case Q931_USER_INFORMATION:
 	case Q931_SEGMENT:
 	case Q931_CONGESTION_CONTROL: