[Freeswitch-users] Intermittent RTP gaps when using playback app

Hi All, We're experiencing intermittent RTP gaps from FreeSWITCH (roughly every 1 in 3 calls), when using the playback app in the dialplan on FreeSWITCH '1.10.7', when listening to the call it sounds like jitter. We've tried using sleep 1000 (after answer), 'jitterbuffer_msec=100:200:20', 'rtp_rewrite_timestamps=true', and 'send_silence_when_idle=400', but the problem remains the same. The problem only occurs when the server is under load, but calls not using the playback app are not affected. Here is an example. [cid:c78434ce-b599-4717-a140-4f250cc2be59] Has anyone come across this problem before, are there any solutions, or could this be a bug? Thanks, Shaun