August 2007
Intermediate to advanced
608 pages
20h 33m
English
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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.
exten => 123,1,Echo()
exten => 123,2,Playback(vm-goodbye)