Yes, you can mute the input using com.sinch.android.rtc.AudioController on Android, SINAudioController on iOS, and Call.mute() on Browser. 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 product page or the In-app Voice Calling developer documentation page to learn more about Sinch’s In-App Voice calling products.
