FS-3866 this should take care of the unwanted presence packets with mwi sub

src/mod/endpoints/mod_sofia/sofia_presence.c

@@ -3546,7 +3546,7 @@ void sofia_presence_handle_sip_i_subscribe(int status,
 					switch_event_add_header_string(sevent, SWITCH_STACK_BOTTOM, "sub-call-id", call_id);
 					switch_event_fire(&sevent);
 				}
-			} else {
+			} else if (!strcasecmp(event, "presence")) {
 				if (switch_event_create(&sevent, SWITCH_EVENT_PRESENCE_IN) == SWITCH_STATUS_SUCCESS) {
 					switch_event_add_header_string(sevent, SWITCH_STACK_BOTTOM, "proto", SOFIA_CHAT_PROTO);
 					switch_event_add_header_string(sevent, SWITCH_STACK_BOTTOM, "login", profile->name);