Cancel self destruct on provisional responses too (bug #1722)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3078 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 37830d3..85464db 100755 (executable)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -5925,9 +5925,13 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
                }
                switch(resp) {
                case 100:
+                       if (!strcasecmp(msg, "INVITE")) {
+                               sip_cancel_destroy(p);
+                       }
                        break;
                case 183:       
                        if (!strcasecmp(msg, "INVITE")) {
+                               sip_cancel_destroy(p);
                                if (!ast_strlen_zero(get_header(req, "Content-Type")))
                                        process_sdp(p, req);
                                if (p->owner) {
@@ -5937,10 +5941,13 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
                        }
                        break;
                case 180:
-                       if (p->owner) {
-                               ast_queue_control(p->owner, AST_CONTROL_RINGING);
-                               if (p->owner->_state != AST_STATE_UP)
-                                       ast_setstate(p->owner, AST_STATE_RINGING);
+                       if (!strcasecmp(msg, "INVITE")) {
+                               sip_cancel_destroy(p);
+                               if (p->owner) {
+                                       ast_queue_control(p->owner, AST_CONTROL_RINGING);
+                                       if (p->owner->_state != AST_STATE_UP)
+                                               ast_setstate(p->owner, AST_STATE_RINGING);
+                               }
                        }
                        break;
                case 200: