= Audio Problem: Audio is Breaking Up = [[TracNav(Sound_Problems/TOC)]] Symptoms: * the audio from remote party is breaking up, or when playing file locally audio is breaking up Checklists: 1. It's always recommended to check whether the problem exists with the latest SVN version of the libraries. 1. Check that no other application is using the devices. It is common to not be able to use sound device when the device is being used by other applications. 1. [wiki:audio-check-cpu Check that CPU utilization is not too high] 1. [wiki:audio-check-dangling-pbx-call Check that there is no dangling call in the PBX]. A dangling call is call that is left active in the PBX because previous (pjsua) application has crashed. 1. [wiki:audio-check-packet-loss Check for high network jitter, packet loss, etc.] 1. [wiki:audio-check-play Check if audio is breaking up when playing file locally]. 1. [wiki:audio-check-sound-device-jitter Check if the breakup is coming from the sound device]