My device is not able to make calls

Network issues aren't something easy to spell out in a FAQ besides a general "check your signal strength, check to make sure your mobile data is on".   If you

How do I block a number on my XP8?

https://www.youtube.com/watch?v=HtsYDtz9YQQ   If you need any further assistance with this question, please contact the Sonim Customer Experience Center at 1-833-MY-SONIM (1-833-697-6646) or email us at [email protected].  We are open 24

How do I activate Call Forwarding on my XP8?

Open the Phone application. Click on the Menu option. (3 dots in the top right corner) Choose Settings. Select Calls. Click on Call forwarding. Select Voice and Video. Choose the