1.28 Extension Controlling Features322 Feature Guide1.28 Extension Controlling Features1.28.1 Extension Personal Identification Number (PIN)DescriptionEach extension user can have his own PIN through system programming or personal programming(Extension PIN [Personal Identification Number]) to set features or access his own telephone remotely.The following features cannot be used without the PIN:a) Live Call Screening (LCS)* (→ 1.24.3 Voice Mail DPT (Digital) Integration)b) Display Lock (→ 1.6.1.5 Speed Dialling—Personal/System, 1.17.8 Built-in Simplified VoiceMessage (SVM), 1.18.2 Incoming Call Log)c) Walking Extension (→ 1.28.3 Walking Extension)d) Extension Dial Lock (→ 1.9.3 Extension Dial Lock)e) Walking COS (→ 1.9.5 Walking COS)f) Walking COS through DISA (→ 1.17.6 Direct Inward System Access (DISA))ConditionsWARNINGThere is a risk that fraudulent telephone calls will be made if a third party discovers a personalidentification number (PIN) (verification code PIN or extension PIN) of the PBX.The cost of such calls will be billed to the owner/renter of the PBX.To protect the PBX from this kind of fraudulent use, we strongly recommend:a) Keeping PINs secret.b) Selecting complex, random PINs that cannot be easily guessed.c) Changing PINs regularly.• Extension PIN LockIf the wrong PIN is entered three times, the line will be disconnected. If the wrong PIN is entered apreprogrammed number of times successively, that extension will become locked, and even enteringthe correct PIN will not unlock it. Only an extension assigned as the manager can unlock it. In this case,the PIN will be unlocked and cleared.This feature is also known as Station Password Lock.• Remote Extension PIN ClearIf an extension user forgets his PIN, a manager can clear the PIN. Then the extension user can assigna new PIN.• Extension PIN DisplayIt is possible to select whether to show the extension PIN on the display through system programming.By default, it is shown as dots.Programming Manual ReferencesPC Programming Manual2.8.4 [2-3] Timers & Counters—Miscellaneous—Extension PIN—Lock Counter2.8.8 [2-6-1] Numbering Plan—Main—Features—Extension PIN Set / Cancel*: If an extension user has assigned an extension PIN, this feature cannot be used without the PIN.
