According to https://code.google.com/p/webrtc/issues/detail?id=2768 ; The Chrome...

diff --git a/src/switch_core_media.c b/src/switch_core_media.c
index 3c3e267aaa4334c8132933724ff12255c89acdd9..e7c19aed67f04d4b221b3382102ed2f627472b06 100644 (file)
--- a/src/switch_core_media.c
+++ b/src/switch_core_media.c
@@ -6090,8 +6090,11 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
        if (!smh->payload_space) {
                int i;
 
-
-               smh->payload_space = 98;
+               if (switch_channel_test_flag(session->channel, CF_WEBRTC)) {
+                       smh->payload_space = 102;
+               } else {
+                       smh->payload_space = 98;
+               }
 
                for (i = 0; i < smh->mparams->num_codecs; i++) {
                        smh->ianacodes[i] = smh->codecs[i]->ianacode;