diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 09e16871dd..891bdaf883 100755 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -1845,6 +1845,7 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req) struct hostent *hp; int codec; int iterator; + int sendonly = 0; int x; /* Get codec and RTP info from SDP */ @@ -1925,6 +1926,13 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req) sdpLineNum_iterator_init(&iterator); while ((a = get_sdp_iterate(&iterator, req, "a"))[0] != '\0') { char* mimeSubtype = ast_strdupa(a); // ensures we have enough space + if (!strcasecmp(a, "sendonly")) { + sendonly=1; + continue; + } + if (!strcasecmp(a, "sendrecv")) { + sendonly=0; + } if (sscanf(a, "rtpmap: %u %[^/]/", &codec, mimeSubtype) != 2) continue; if (sipdebug) ast_verbose("Found description format %s\n", mimeSubtype); @@ -1963,7 +1971,7 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req) } if (p->owner->bridge) { /* Turn on/off music on hold if we are holding/unholding */ - if (sin.sin_addr.s_addr) { + if (sin.sin_addr.s_addr && !sendonly) { ast_moh_stop(p->owner->bridge); } else { ast_moh_start(p->owner->bridge, NULL);