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Start Audio Play

Function: START_AUDIO_PLAY

The START_AUDIO_PLAY function plays an audio file through the MCM device's speaker. This function is useful for testing audio output quality, simulating incoming voice calls, or verifying speaker functionality.

Supported on: MCM only. The node's modem must have a sound card fitted.

Parameters

Parameter Name Description Example Values Required Default Value
FILE_NAME The name of the audio file to play. The file must exist in the mcm-audio-files directory. test.wav, ring.wav, voice_sample.wav Yes

Explanation of Fields

  • FILE_NAME: The filename (with extension) of the audio file to play. The file must be pre-uploaded to the mcm-audio-files folder on the agent machine.

Result: the step fails if the file is missing or if audio is already playing. Playback is not stopped automatically; end it with STOP_AUDIO_PLAY.