DC Technologies DCX-50 Plus, Руководство пользователя расширения

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Extension Group Classification
All extensions in a system can be classified into four groups through class of service
programming on the console. The groups are Executive, Secretary, General and Public
Address Group. The Executive and the Secretary Group can call all extensions in the
office.
The General group can not dial Executive group directly. But can only access them the
extensions in the Secretary group.
Note: The operator is not classified in any group.
Public Address System
For the facility of an office announcement, a group of number can be assigned to the
Public Address System consistent of a set of speakers set up in various places. To
convey a massage on Public Address System, you can simply dial any of the number in
Public Address group and speak into the phone. Your massage will be conveyed to all
the office over the Public Address System.
Extension Telephone Lockout
An extension can be locked out against making a trunk call.
To lock your extension out, you will dial your own telephone number first together with
four digit code. To ‘unlock’ the trunk capability, the same sequence has to be dialed
again.
Trunk Access
Extensions can directly reach external trunk lines by dialing a code number (9, 11-19). A
busy tone after dialing the code indicates that none of trunks are free or that the
extension is not authorized to use that trunk.
All extensions could be blocked from accessing Local, NWD, or ISD facilities.
Executive Trunk
This facility means that your extension is authorized to use a trunk for a certain amount
of time - without repeated dialing of the trunk access code.