Asterisk module that provides the "eSpeak" dialplan application. It allows you to use the eSpeak text to speech synthesizer. Works with asterisk 1.6 or newer.
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           Espeak For Asterisk

This provides the "Espeak" dialplan application, which allows you to use
the Espeak speech synthesizer with Asterisk. This module invokes the Espeak TTS engine
locally, and uses it to render text to speech.
It works with asterisk versions 1.6 or later

Asterisk header files
Espeak libraries and header files
	**It is recommended to use espeak version 1.41.01 or newer.
	Earlier versions of epseak had a file descriptor leak that could
	cause asterisk to crash. If upgrading is not an option patch your current
	version of epseak with the espeak.patch provided here.
libsamplerate libraries and header files

$ make
$ make install

To install the sample configuration file, issue the following command:

$ make samples

Espeak(text[,intkeys,language]):  This will invoke the eSpeak TTS engine,
send a text string, get back the resulting waveform and play it to
the user, allowing any given interrupt keys to immediately terminate
and return.

dialplan sample code for your extensions.conf

;Espeak Demo
  		exten => 1234,1,Answer()
  			;;Play mesage using default language as set in espeak.conf
  		exten => 1234,n,Espeak("This is a simple espeak test in english.",any)
  			;;Play message in Spanish
  		exten => 1234,n,Espeak("Esta es una simple prueba espeak en español.",any,es)
  			;;Play message in Greek
  		exten => 1234,n,Espeak("Αυτό είναι ένα απλό τέστ του espeak στα ελληνικά.",any,el)
  			;;Read a text file from disk (relative to the channel language)
  			;;and play it with espeak using the asterisk channel language.
  		exten => 1234,n,ReadFile(MYTEXT=/path/${LANGUAGE}/myfile,200)
  		exten => 1234,n,Espeak("${MYTEXT}",any,${LANGUAGE})
  		exten => 1234,n,Hangup()

The Espeak module for asterisk is distributed under the GNU General Public
License v2. See COPYING for details.