Voice Calling SDK & API for iOS, Android & Web Platform | Voxvalley

Voxvalley provides Voice Calling API & SDK solutions to develop custom voice chat applications that can be seamlessly integrated with mobile applications (Android/iOS), websites and browsers. Get the best video conferencing software services in the USA, Canada, Africa, Europe, India, and the UK. This software provides online communication tools, as well as recording and chat features, for audio and video meetings.

Source: https://voxvalley.com/voice-call-solution/