2.7.6 Verification Code EntryDescriptionAn extension user can enter a verification code when calling from his own or any other extension, to changethe TRS/Barring level (® 2.7.1 Toll Restriction (TRS)/Call Barring (Barring)) or to identify the call for accountingand billing purposes. A verification code personal identification number (PIN) is required to use this feature.ConditionsCAUTIONThere is a risk that fraudulent telephone calls will be made if a third party discovers a personal identificationnumber (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.• When a trunk call is made using Verification Code Entry:– the Class of Service of the specified extension is applied (® 5.1.1 Class of Service (COS))– the budget of the specified extension is applied (® 2.7.2 Budget Management)– the Itemised Billing code of the specified extension is applied (® 2.8.1 Automatic Route Selection(ARS))– + verification code is recorded on SMDR as the call originator, instead of the extension number ofthe actual extension used (® 2.22.1.1 Station Message Detail Recording (SMDR)).• Verification Code Entry through DISAThis feature is also available through DISA. (® 2.16.1 Direct Inward System Access (DISA))• Verification Code PINA verification code PIN must be assigned for each verification code through system programming orthrough manager programming.• Verification Code 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, the PIN for the verification code will be locked. Only anextension assigned as the manager can unlock it. In this case, the PIN will be unlocked and cleared.• Budget Management for Verified CallsA limit can be assigned to the total of all call charges for each verification code.[Example of Verification Codes and Their Programming]Location Code*1 Name*2 PIN*3 COS*4ItemisedBilling Codefor ARS*5Budget*60001 1111 Tom Smith 1234 1 2323 5000Euro0002 2222 John White 98765432103 4545 3000Euro132 Feature Guide2.7.6 Verification Code Entry