Block Outbound International Calls

To restrict users from making international calls, you can restrict dial pattern of outbound routes, or set up international dialing protection. This topic describes how to set up international dialing protection to block outbound international calls.


  1. Log in to PBX web portal, go to Security > Security Settings > Allowed Country Codes.
  2. Turn on the option Enable Allowed Country/Region Code Dialing Protection.
  3. In the International Dialing Code field, enter the prefix of international call according to your country.
  4. Click and Apply.


All the extension users can NOT make international calls.