Audio settings

1. Jitter buffer length control (helps to improve call quality in case of unstable internet connections).
2. Microphone level control bar. Next to it – Microphone testing button.
3. Playback device level control bar. Next to it - Playback sound testing button.
4. Ringtone level control bar. Next to it - ringtone sound testing button.
5. Turn Echo Cancellation on/off.
6. Record Device selection.
7. Automatic control of the microphone level.
8. Playback Device selection.
9. Automatic control of the playback level.
10. Ringtone playback device selection.