skip video setup on re-invite

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16559 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/sofia_glue.c

@@ -2726,6 +2726,9 @@ switch_status_t sofia_glue_activate_rtp(private_object_t *tech_pvt, switch_rtp_f
 
 			/******************************************************************************************/
 			
+			if (tech_pvt->video_rtp_session) {
+				goto video_up;
+			}
 
 
 			if (!tech_pvt->local_sdp_video_port) {