Audio
In the Audio menu, you have access to the following sound settings:
The sequence and availability of some parameters depend on your device operating system (IOS or Android).
enabling/disabling echo cancellation during the conversation;
enabling echo canceler calibration feature;
enabling test echo mode;
enabling/disabling adaptive bitrate control depending on the bandwidth of the communication channel (it is recommended to disable it if there are problems with the connection);
codec bitrate limit setting: indication of the maximum codec bitrate in case the channel bandwidth does not allow the codec to fully compress the data stream (set if adaptive bitrate control is disabled);
enabling/disabling voice processing (voice quality improvement);
enabling/disabling bass boost.
Codecs
Here you can select necessary for operation audio codecs: OPUS, Speex 16 000 Hz, Speex 8 000 Hz, PCMU, PCMA, GSM, G722, G729, Speex 32000 Hz, L16.
BAS-IP devices support PCMU and PCMA codecs by default.