
Panasonic Digital Business System - Operating Instructions
March 1997 Issue 24
80
Call Barring
The DBS supports 5 classes of call barring. These control the number types dialled by extensions. The restrictions
range from emergency 999 and 112 call only to not restricted. These are configured during installation via system
programming and can only be changed by a suitably qualified engineer. Once set up operation is automatic when
calls are dialled. The operator extension can make a temporary change to an extensions call barring. Please refer
to the Operator Features section for details.
Station Lock
Extension can have a lock code assigned to them which is used to restrict extension operation when the extension
is left unattended. The lock codes are assigned by the operator extension. A separate lock code can be stored for
each extension. Lock codes are 4 digit numbers.
A locked extension can seize a line but cannot dial out unless the call barring when locked allows this ( system
programming required), intercom calls are possible but speed dials cannot be set.
When the handset of a locked extension is picked up broken dial tone is heard , confirming the lock status.
If an incorrect code is entered to unlock the extension system busy tone is heard.
If the operator has not assigned a lock code the extension cannot be locked.
[Operation]
Locking an extension
1 Press ON / OFF or go off hook
2 Dial 74 , the lock command
3 Press ON / OFF or go back on hook
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