setMuted method
Implementation
Future<void> setMuted(bool muted) async {
final call = current.value;
if (call == null) return;
await _guard(() => _engine.setMuted(muted));
if (call.legId != null) {
await _post('/partner/voice/conference/mute', {'legId': call.legId, 'muted': muted});
}
_set(call.copyWith(muted: muted));
}