Implementing Text-To-Speech using Flite(Festival-Lite)

This installation guide is for RHEL/Fedora Client:

  1. Install Flite Development Package:

    yum install flite-devel

    In RHEL this might not work. Download the rpm for flite & flite-devel and install them.

  2. Installing asterisk-flite RPM:

    For ver 1.4 Download the Asterisk-Flite RPM (ver 0.5) and install using the command 
    rpm -Uhv asterisk-flite-0.5-1.rpm

    For ver 1.6 Download the Asterisk-Flite RPM (ver 0.6) and install

  3. Verify the installation on Asterisk CLI. Enter the following commands on CLI:

    restart gracefully
    core show application Flite
    If this command gives an error your Flite package is not installed properly

Finally to Flite can be used as shown below in extensions.conf:

exten => 123,1,Flite(this is a test.)

Also note, it is not possible to use the punctuation mark comma (,) with Flite dialplan application.