CCcn

```sh node -v v16.14.0 npm -v 8.3.1 ``` 

Ok，thanks.

等到了！

I tried in version :FreeSWITCH Version 1.10.6-release~64bit ( 64bit)、FreeSWITCH Version 1.8.5~64bit ( 64bit)

@manasvi89 try playback java esl client: SendMsg message = new SendMsg(callId); message.addCallCommand("execute"); message.addExecuteAppName("playback"); message.addExecuteAppArg("wave/path.wav"); client.sendMessage(message);