1. Open the Phone application.
2. Click on the Menu option. (3 dots in the top right corner)
3. Choose Settings.
4. Select Calls.
5. Click on Call forwarding.
6. Select Voice and Video.
7. Choose the options that you need and input the number (s) you’d like.

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 hours a day, Monday-Friday and we will further assist in troubleshooting.