One can use WebRTC with XiVO PBX and XiVO CC in the following environment:
- LAN network (currently no support for WAN environment),
- with the:
- UC Assistant or CC Agent with Chrome browser version 73.0.3683.121 or later
- or Desktop Application
The requirements are:
- to have a microphone and headphones for your PC,
- to configure your XiVO PBX:
- have a SSL/TLS certificate signed by a certification authority installed on the nginx of XiVO CC (see: Signed SSL/TLS certificate for WebRTC),
- and use https:
- UC Assistant: you must connect to the UC Assistant via https protocol,
- Desktop Application: you must check Protocol -> Secure in the application parameters.
Currently you can not have a user configured for both WebRTC and a phone set at the same time.
Known limitation are :
- Voice may not be able to hear if your computer have more than 4 network interfaces up at the same time (this can happen if you use virtualization)
Additional chrome WebRTC-specific options¶
There are various additional settings used in the code. They are used to improve audio quality by enabling or disabling chrome WebRTC-specific flags.
Chrome currently supports these audio quality options :
- Automatic gain control : Adjust voice sound level to make it linear, lowering sound level when the user speaks too loudly.
- Echo cancellation : Detect and delete echo coming from the playback of the user’s own voice.
- Noise suppression : Cancel background noises coming from the user’s environment.
- Highpass filter : Filters out low frequencies noises (like microphone background buzzing permanent sound).
- Audio mirroring : Reflect sound coming from different directions into a focus point (similar to a parabola).
- Typing noise detection : Detect and delete keypress sounds.
The current production code is set as follows :
- googAutoGainControl is set to false
- googAutoGainControl2 is set to false
- googEchoCancellation is set to true
- googEchoCancellation2 is set to true
- googNoiseSuppression is set to false
- googNoiseSuppression2 is set to false
- googHighpassFilter is set to false
- googAudioMirroring is set to false
- googTypingNoiseDetection is set to true