I tried to press system Talk button to talk in channel when my APP in background, I see the channelManager(_ : PTChannelManager, _: UUID, didBeginTransmittingFrom _: PTChannelTransmitRequestSource) is called, but the function func channelManager(_ : PTChannelManager, didActivate _: AVAudioSession) never called.
When my APP in foreground, everything works fine. I've set the APP's capability Background Modes -> Push to Talk.
Anyone can help?
ErenShi
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