In the left management list, click Advanced → CID Restricts, cilck enter the following page.
Restrict Type: Select the rules of restrict in dialing out,include:Whitelist and Blacklist. Blacklist:The numbers inputed can't be dialed out through the trunk. Whitelist:Only the numbers inputed can be dialed out through the trunk.
Cilck【Add】button to open the CID Restricts page.
Phone: The telephone number(s) that dial out through the trunk or group,fill in one number per line,and also add more numbers one time.
Restrict Type:
Restrict Status:Enable or disable.
Team: Set the CID Restrict to team only or whole system.
Trunk Type: Select the type of trunk that used in dialing out,include:Trunk and Trunk group.
Trunk groups is for the call can specify multiple trunks, so that the first relay does not dial the case automatically use the next trunk outbound.
Trunk: The target of trunk or trunk group.
After completing the data, click the [Save] button to save the data. The page you can see the set.