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How to configure vicidial voice broadcast campaign with Google TTS

 

vicidial voice broadcast campaign with Google TTS


vicidial google text to speech




Google TTS agi:

Google TTS is open source as of dated jan 2021We will be using the asterisk agi provided by zaf.github to interact with google tts engine for text to speech .link to download agi 
https://zaf.github.io/asterisk-googletts/


  Step 1: Installing the Pre-requisites


Debian :-
apt-get install perl
apt install libwww-perl
sudo cpan install LWP::UserAgent
sudo cpan install LWP::Protocol::https
apt install sox
apt install mpg123
_____________________________


openSuse:-

zypper install perl

zypper install perl-libwww-perl

zypper install perl-LWP-Protocol-https

zypper install sox

zypper install mpg123

asterisk -rx  "module load format_sln.so"

(note format_sln might be pre loaded in most asterisk)


  Step 2:  Download the google tts AGI to asterisk server

link: https://zaf.github.io/asterisk-googletts/

git clone git://github.com/zaf/asterisk-googletts
or 
wget https://github.com/zaf/asterisk-googletts/zipball/master
unzip master
cd zaf-asterisk-googletts*

---now we need to copy the agi to asterisk agi-bin folder
cp googletts.agi /var/lib/asterisk/agi-bin/

chmod 755 /var/lib/asterisk/agi-bin/googletts.agi

  Step 3: Asterisk dialplan 

we need to write two dialplans.

  1. carrier dialplan

in default vicidial carrier dialplan , we need to add additional line which is used to set the vicidial lead fields as variable,which we are going use it for text to speech.

the agi name is agi-set_variables.agi provided by vicidial team


exten => _9X.,1,AGI(agi://127.0.0.1:4577/call_log)

exten => _9X.,n,AGI(agi-set_variables.agi)

exten => _9X.,n,Dial(SIP/SIPTRUNK/${EXTEN:1},,Tto)

exten => _9X.,n,Hangup()


  2. custom dialplan to playback the message with google tts agi.

Either you can write this dialplan in extensions.conf or write it in vicidial custom dialplan entry
exten => 668899,1,Answer()
exten => 668899,n,Wait(2)
exten => 668899,n,agi(googletts.agi,"hello, mr.${first_name} your credit card due date is ${date_of_birth}",en)
exten => 668899,n,agi(googletts.agi,"if already paid kindly discard this call, have a nice day",en)
exten => 668899,n,Hangup()

  Step 3 : Creating Voice broadcast campaign.

For creating the voice broadcast campaign in vicidial kindly check and follow the below link

add the 668899 as line extension in remote agents 


Dial plan variable By Vicidial









TTS language Supported by Google.







    Google TTS will not support huge call volume , they might block your IP if too many connections established.



For support reach me at skype:manish.kadiya

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