To simplify your usage of a platform to send SMS we have the phone book function that stores your phone numbers. You can have as many as 200 phone books. 

These phone books can be used to store phone numbers for later use. As a result, you will not need to type your phone numbers over and over again when you need to send SMS.

You can export the phone number for later use. You can update, delete and add phone numbers to the groups.

Enjoy the peace of mind and the simplicity the address book provides by storing your phone numbers online now.