1.9.3 Extension Dial LockDescriptionAn extension user can change the TRS/Barring level of the telephone (® 1.9.1 Toll Restriction (TRS)/CallBarring (Barring)) so that other users cannot make inappropriate trunk calls. An extension personalidentification number (PIN) is used to unlock the telephone (® 1.28.1 Extension Personal IdentificationNumber (PIN)). This feature is also known as Electronic Station Lockout.Conditions• This feature also restricts changing the FWD destination. (® 1.3.1.2 Call Forwarding (FWD))• Remote Extension Dial LockOverrides Extension Dial Lock. If an extension assigned as the manager sets Remote Extension Dial Lockon an extension that has already been locked by the extension user, the user cannot unlock it. If a managerextension unlocks an extension that has been locked by the extension user, the extension will be unlocked.This feature is also known as Remote Station Lock Control.• TRS/Barring LevelCOS programming determines the TRS/Barring level for Extension Dial Lock.PC Programming Manual References4.8 [2-6-1] Numbering Plan—Main—Features→ Extension Dial Lock Set / Cancel→ Remote Extension Dial Lock Off→ Remote Extension Dial Lock On4.11 [2-7-1] Class of Service—COS Settings—TRS— TRS Level on Extension LockPT Programming Manual References[510] TRS/Barring Level for Extension Dial LockFeature Guide References2.2.1 Class of Service (COS)User Manual References1.6.4 Preventing Other People from Using Your Telephone (Extension Dial Lock)2.1.1 Extension ControlFeature Guide 1391.9.3 Extension Dial Lock
