You can restrict a user from make any outgoing external calls except to numbers in the Emergency Numbers List and any Allowed Lists of which they are a member. Th

Barring a User from Making External Calls

1.Click on User in the menu bar.

2.Scroll the list of users to the required user and click on View Details.

3.Change the Calls Barred setting to Yes to restrict the caller's external calls.

4.Click Save.