SCOUT Call Screening allows you to block unwanted incoming calls and messages and restrict outgoing calls and messages to contacts. Call Screening allows you to block spam calls and prevent Users from making non-work calls and focus on productivity and safety. For more information on Call Screening 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.