fix socket addr reuse

helper/room/room_client.php

@@ -78,7 +78,7 @@ class room_client extends tcp_client
     }
 
     public function remote_addr() {
-        return "{$this->mHost}:{$this->mPort}";
+        return "tcp://{$this->mHost}:{$this->mPort}";
     }
 
     public function invite($roomid,$user)