SDK Downloads

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Voice SDK

Agora Voice SDK 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 Call and Live Interactive Audio Streaming.

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Community Extensions

Agora's Developer Community has wrapped the core Agora SDKs to extend their functionality into frameworks and cross-platform programming environments.

APP Downloads

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Beckon - Voice Call

Beckon is the best high quality free call app, allowing you to make international calls for free.

Use Case Sample Apps

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Use Case Sample Apps

The following sample apps can help you expedite app development for these use cases. Suggestions are always welcome.

Code Samples

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Basic Voice Call

Sample app to join/leave a channel, mute/unmute, and switch between the speaker/headset.

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Advanced Voice Call

Sample app to join/leave a channel, mute/unmute, and switch between the speaker/headset.

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Pronunciation Assessment

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.