Specifies the call group to which each station or trunk belongs. When you want to restrict calls between stations or trunk calling/pick up, you can specify it for each call group.
A station can be assigned to the call groups 001 to 300. A trunk can be assigned to the call groups 301 to 500.
1) Select 5.Features => 5.1 Call Restriction => 5.1.1 Port Use Group from the Tree Viewer.
2) View the current station/trunk call groups.
3) Select the station/trunk number to change and enter the call group number.
4) Save the changes.