add novideo app

src/include/switch_types.h

@@ -1302,6 +1302,7 @@ typedef enum {
 	CF_EARLY_OK,
 	CF_MEDIA_TRANS,
 	CF_HOLD_ON_BRIDGE,
+	CF_NOVIDEO,
 	/* WARNING: DO NOT ADD ANY FLAGS BELOW THIS LINE */
 	/* IF YOU ADD NEW ONES CHECK IF THEY SHOULD PERSIST OR ZERO THEM IN switch_core_session.c switch_core_session_request_xml() */
 	CF_FLAG_MAX

src/mod/endpoints/mod_sofia/sofia_glue.c

@@ -674,6 +674,11 @@ void sofia_glue_set_local_sdp(private_object_t *tech_pvt, const char *ip, switch
 						continue;
 					}
 
+					if (switch_channel_direction(session->channel) == SWITCH_CALL_DIRECTION_INBOUND &&
+						switch_channel_test_flag(session->channel, CF_NOVIDEO)) {
+						continue;
+					}
+
 					if (tech_pvt->ianacodes[i] < 128) {
 						if (already_did[tech_pvt->ianacodes[i]]) {
 							continue;