With CRT you can find out about any Viber calls being made and get access to all Viber conversations that take place through the target phone. With CRT, Viber Spy Software, Spy Viber on Android, Spy Viber Messages,Track Viber Messages you can View all Viber chat conversations, Get access to Viber call records with time and date stamps, Find out the names and numbers of people they have been chatting with, Get time and date stamps to know when each chat took place, All Viber conversations are uploaded to your online CRT control panel which you can access from anywhere with an internet connection.
Track Viber Messeges

Secound Step : Register your device with CRT
Open CRT mobile phone tracking app and register with your email account. its so easy it wont take more than 1 minutes.