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The <Echo> verb will echo audio back to the call.

Verb Attributes

timeout optionalThe number of seconds SignalWire will echo, from 5 up to 120 seconds. Defaults to 60 seconds if no value is provided.


No other verbs can be nested within <Echo>.


A simple echo test

<?xml version="1.0" encoding="UTF-8"?>
<Echo timeout="120"/>

SignalWire answers calls and echoes what it hears for 2 minutes.