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What’s a callback? When using the Sinch Voice platform in many use cases a callback server will be required to control the flow of a call. Why do I need a callback server? This is for you to be able to have control over certain elements, such as: aut...

Starting on Android SDK 3.13.1 we have added support for automatic audio routing, which allows directing output to Bluetooth, wired speakerphone etc. – using the AudioController interface, at the method called enableAutomaticAudioRouting. Refer to th...

Sinch In-App Video supports the following CODECS: Native platform Codecs Notes iOS and Android Hardware H264 if available or software H264 Javascript VP8 VP9 all supported WebRTC browser codecs Viist the Sinch Documentation site to learn how you can ...

In general, No. The two main mobile operating systems Android and iOS require that applications should not stay in the foreground and be active listening for calls. Therefore push notifications were developed to allow an application to be activated f...

Yes, you can mute the input using com.sinch.android.rtc.AudioController on Android, and SINAudioController on iOS. Sinch does not support muting the output; it can only be done by the user by silencing their volume. Visit the In-App Voice Calling pro...