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()

Get Asterisk: The Future of Telephony now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.