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Asterisk: The Future of Telephony by Leif Madsen, Jared Smith, Jim Van Meggelen

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Name

Echo() — Echoes inbound audio back to the caller

Synopsis

    Echo()

Echoes audio read from the channel back to the channel. This application is often used to test the latency and voice quality of a VoIP link. The caller may press the # key to exit.

Returns 0 if the user exits with the # key, or -1 if the user hangs up.

               exten => 123,1,Echo()
    exten => 123,2,Playback(vm-goodbye)

See Also

Milliwatt()

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