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1.8 Toll Restriction (TRS) Features
70 Feature Guide
1.8.3 Extension Lock
Description
Extension users can lock their telephones to prevent unauthorised use. This is useful for situations when
extension users must leave their desks temporarily. Any 4-digit code can be used to lock and unlock an
extension.
This feature is also known as Electronic Station Lockout.
Conditions
• Remote Extension Lock
An extension assigned as the operator or manager extension can remotely lock or unlock an extension
using a Direct Station Selection (DSS) Console. This feature functions only if the operator or manager
has set the extension password. When the operator or manager locks an extension remotely, the
extension's user cannot unlock it. When a user locks an extension, the operator or manager extension
can override the lock and unlock the extension.
This feature is also known as Remote Station Lock Control.
• TRS—Extension Lock Class
The class of service (COS) of extensions locked by the Extension Lock or Remote Extension Lock
feature can be assigned ( TRS—Extension Lock Class [312]) so that even a locked extension can
make outside (CO) line calls. The higher COS number will take precedence. If, for example, COS 3 is
assigned to an extension ( TRS-COS—Day/Night/Lunch [601-603]) and the COS of locked
extensions is assigned as "4", when the extension is locked, the PBX allows the extension user to make
outside (CO) line calls using COS 4.
• Extension Lock—CANCEL ALL
The operator or manager can cancel this feature for all extensions simultaneously.
• Extension Lock Button
A flexible DSS button on a DSS Console can be customised as an Extension Lock button.
• This feature also functions as Incoming Call Log Display Lock ( 1.16.2 Incoming Call Log).
The Incoming Call Log for the common area can only be locked or unlocked by the operator and
manager.
• This feature will not block Emergency Calls ( 1.5.2.2 Emergency Call).
Feature Guide References
1.8.1 Toll Restriction (TRS)
1.18.2 Flexible Buttons
User Manual References
1.5.3 Preventing Other People from Using Your Telephone (Extension Lock)
2.1.1 Locking Other Extensions (Remote Extension Lock)
2.1.7 Changing System Settings Using Programming Mode
3.1.3 Customising the Buttons