diff options
Diffstat (limited to 'res/res_pjsip_session.c')
| -rw-r--r-- | res/res_pjsip_session.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/res/res_pjsip_session.c b/res/res_pjsip_session.c index 55b91208a..958f2254b 100644 --- a/res/res_pjsip_session.c +++ b/res/res_pjsip_session.c @@ -3878,10 +3878,15 @@ static struct pjmedia_sdp_session *create_local_sdp(pjsip_inv_session *inv, stru if (!session->pending_media_state->topology || !ast_stream_topology_get_count(session->pending_media_state->topology)) { /* We've encountered a situation where we have been told to create a local SDP but noone has given us any indication - * of what kind of stream topology they would like. As a fallback we use the topology from the configured endpoint. + * of what kind of stream topology they would like. We try to not alter the current state of the SDP negotiation + * by using what is currently negotiated. If this is unavailable we fall back to what is configured on the endpoint. */ ast_stream_topology_free(session->pending_media_state->topology); - session->pending_media_state->topology = ast_stream_topology_clone(session->endpoint->media.topology); + if (session->active_media_state->topology) { + session->pending_media_state->topology = ast_stream_topology_clone(session->active_media_state->topology); + } else { + session->pending_media_state->topology = ast_stream_topology_clone(session->endpoint->media.topology); + } if (!session->pending_media_state->topology) { return NULL; } |