Technical information

Routine Maintenance
161
Routine
Maintenance
10.In the Station Service Assignment form, assign all voice
mail ports, auto attendants, and RADs a COR that
prohibits external calls.
11.If the system requires DISA trunks, program forced
account codes in the Independent Account Code
Definition form.
If the system does not require DISA trunks, ensure that
DISA trunks are not programmed in the Miscellaneous
Assignment form.
12.If DISA is required, set the DISA failed attempts before
lock-out parameter in the System Options Assignment
form.
13. To ensure that a user cannot forward an incoming call to
a route that provides central office dial tone, set the Call
Forwarding (External Destination) option to “No” in the
Class of Service for the user’s set.