Installation Manual 363Delayed RingingThere are 2 kinds of delayed ringing applications:(1) The VPS is used as the no-answer destination for the Intercept Routing featureof your PBX.(2) DIL 1:N (outside [CO] line to several extensions) terminates on telephones andVPS ports. To give the telephone users a chance to answer calls, the VPS linesshould be programmed for delayed ringing. Otherwise, the VPS will answer thecalls immediately.Delete Message ConfirmationThe VPS requests confirmation from the mailbox owner before erasing a messageleft in the mailbox.Delivery TimeThe time specified by the subscriber for the VPS to deliver a pre-recordedmessage. You can specify delivery time in External Delivery Message or whendelivering a message to other subscribers (Subscriber's Guide Section 3.1)Department DiallingA speed-dialling feature that permits an outside caller to dial a single digit (1-9) toreach a specific extension.Direct Mailbox Access(Available with DPT Integration only.) A subscriber can enter her mailbox directlywhen she calls the VPS from her extension. She does not have to enter any specialcodes except for her password, if one is set.DPT IntegrationDigital integration between the VPS and the KX-TD500, the KX-TD816, the KX-TD1232 or the KX-T612. Requires upgraded software in the PBX.Depending on the model and/or the software version of the connected PBX, youmay not be able to utilise some of the features available only with DPT Integration.For more information, consult your dealer.DTMF(Dual Tone Multi Frequency) Commonly referred to as touchtone.External Call Forwarding(Available on the KX-TD500, the KX-TD816, and the KX-TD1232)Forwards calls to an extension that has call forwarding activated to an outsidephone.