When triggering an on going call, PhoneState.stream only works on Android Emulator in Debug Mode. It does not work on real android phone device or iphone in either Debug or Release Mode

[thanhdatvo]

When triggering on going call,
In Android Emulator in debug mode, the PhoneState.stream return correctly value of PhoneStateStatus:

• PhoneStateStatus.START when the on going call starts
• PhoneStateStatus.END when the on going call ends

In real android phone devices and iphone, in both debug and release mode, the PhoneState.stream return incorrectly value of PhoneStateStatus:

• PhoneStateStatus.NOTHING when the on going call starts
• PhoneStateStatus.NOTHING when the on going call ends