Getting Started with Google Messaging
Login to your Google business account at : https://business.google.com
There you will see this image below:
Click “turn on messaging”
Enter in a valid mobile number or RepTalkie number
A confirmation code will follow and you will be required to enter that into Google.
If you’re using RepTalkie the code will be show like in the example below:
Enter your confirmation code and setup the default message.