/**
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Overview
Namespaces
Interfaces
Classes
Source
Overview
Classes
PAMI\Message\Event
DTMFBeginEvent
getChannelStateDesc
Introduction
Synopsis
Return
Source
PAMI\Message\Event\DTMFBeginEvent::
getChannelStateDesc
Returns key: 'ChannelStateDesc'.
Signature
public function getChannelStateDesc()
Returns
string