Add contact header on reinvite

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@731 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 87e2f1325c984de3894f82e65618110d12e3e461..707e6b39fe58d77121ae6e96568f7cf2ecb24300 100755 (executable)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -2029,10 +2029,23 @@ static int transmit_response_with_sdp(struct sip_pvt *p, char *msg, struct sip_r
 static int transmit_reinvite_with_sdp(struct sip_pvt *p, struct ast_rtp *rtp)
 {
        struct sip_request resp;
+       char *from;
        if (p->canreinvite == REINVITE_UPDATE)
                reqprep(&resp, p, "UPDATE", 1);
        else
                reqprep(&resp, p, "INVITE", 1);
+       if (p->outgoing)
+               from = get_header(&p->initreq, "From");
+       else
+               from = get_header(&p->initreq, "To");
+       {
+               /* Add contact header */
+               char contact2[256] ="", *c, contact[256];
+               strncpy(contact2, from, sizeof(contact2)-1);
+               c = ditch_braces(contact2);
+               snprintf(contact, sizeof(contact), "<%s>", c);
+               add_header(&resp, "Contact", contact);
+       }
        add_sdp(&resp, p, rtp);
        return send_request(p, &resp, 1, p->ocseq);
 }