The Agora Advanced Voice for Gaming SpriteKit Swift Sample Code demonstrates developers how to join / leave channel, select voice mode: free mode, command mode, audience mode, mute / unmute audio, music mixing and audio effect playing, voice morphing, set posotion of voice and audio effect, and set volume of voice and audio effect.
The advent of WebRTC has made the ability to use a URL as a way for anyone to contact you a reality. WebRTC is the technology that allows your browser or a mobile device to operate as a phone. All that’s needed is a “click-to-call” link or button on a Web page to initiate a connection with a URL.
Voximplant has released Voximplant Web SDK 4.0 which features a number of new enhancements such as Microsoft Edge audio calls support, enable video during an existing audio call, modification of audio and video streams via filters, and h.264 video codec "high priority" setting.