bugfix

bricks/rtc.js

@@ -83,6 +83,7 @@ bricks.Signaling = class {
 				}
 				var h = new k(this, data.session, this.connect_opts);
 				handler = h.recvdata_handler.bind(h);
+				this.add_handler(sessionid, handler);
 			}
 			await handler(data);
 		} else {