Agora Voice Call is based on the UDP protocol and the sound codec technology of Agora. It provides reliable real-time audio services. For product and release details, see Voice and Audio Broadcasting.
Sample app to join/leave a channel, set the role as a host/audience, mute/unmute, and switch between the speaker/headset.
Sample app that sends English spoken words captured by the Agora RTC SDK on Android or iOS to a third-party platform for pronunciation assessment.