The SIP motto is "There's More Than One Standard for Doing It"

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1856 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 09e16871dd704b9a642e2db1da5e529c247f04b6..891bdaf8835a51d7ef5e5730124ceef86da5c405 100755 (executable)
--- 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);