Trigger - Phone Service State
The trigger Phone Service State is executed when the device detects the specified state.
Warning: Some devices don't send the current service state to applications when the screen is turned off. You can periodically use the action Turn Screen On to mitigate this problem.
- Play a warning sound when no service is available.
Execute the flow when the telephony is back to regular operation.
Out of Service
Execute the flow when telephony becomes unavailable.
Execute the flow when only emergency numbers can be called.
Execute the flow when the radio is explicitly powered off.
See action Script for a description.