'lo alli've got this pretty simple audio app: import com.adobe.rtc.events.StreamEvent; import com.adobe.rtc.events.CollectionNodeEvent; import com.adobe.rtc.events.SessionEvent; private function onCreationComplete ():void { connSesh.addEventListener( SessionEvent.SYNCHRONIZATION_CHANGE, onConnSeshSync); connSesh.login(); } private function onConnSeshSync (event:SessionEvent):void { audPub.addEventListener( StreamEvent.STREAM_RECEIVE, onListen); audSub.addEventListener( CollectionNodeEvent.SYNCHRONIZATION_CHANGE, onListen); audSub.addEventListener( StreamEvent.STREAM_RECEIVE, onListen); audSub.addEventListener( StreamEvent.CONNECTION_TYPE_CHANGE, onListen); audSub.addEventListener( StreamEvent.NO_STREAM_DETECTED, onListen); audPub.subscribe(); audSub.subscribe(); audPub.publish(); } private function onListen (event:Event):void { trace('onListen'); } 'thing is: no audio, complete silence. any ideas why?