delay update till after media has been confirmed to prevent SOA race in sip

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@15159 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/sofia_glue.c

@@ -521,6 +521,8 @@ void sofia_glue_attach_private(switch_core_session_t *session, sofia_profile_t *
 
 	tech_pvt->session = session;
 	tech_pvt->channel = switch_core_session_get_channel(session);
+	switch_channel_set_cap(tech_pvt->channel, CC_MEDIA_ACK);
+	
 	switch_core_session_set_private(session, tech_pvt);
 
 	switch_snprintf(name, sizeof(name), "sofia/%s/%s", profile->name, channame);