Installation Manual 463Delayed RingingThere are 2 kinds of delayed ringing applications:(1) The VPS is used as the no-answer destination for the Intercept Routing feature of your PBX.(2) DIL 1:N (CO line to several extensions) terminates on telephones and VPS ports. To givethe telephone users a chance to answer calls, the VPS lines should be programmed fordelayed ringing. Otherwise, the VPS will answer the calls immediately.Delete Message ConfirmationThe VPS requests confirmation from the mailbox owner before erasing a message left in themailbox.Delivery TimeThe time specified by the subscriber for the VPS to deliver a prerecorded message. You canspecify delivery time in External Delivery Message or when delivering a message to othersubscribers (Subscriber’s Guide Section 3.1)Department DialingA speed-dialing feature that permits an outside caller to dial a single digit (1-9) to reach aspecific extension.DID Call Routing(Available with DPT Integration only on the KX-TD816 [P311Q or higher], KX-TD1232 [P211Qor higher], and the KX-TD500 [V4M or higher].) The VPS automatically sends calls from pre-assigned DID numbers to the specified extension, mailbox (including System GroupDistribution List) or Custom Service.Direct Mailbox Access(Available with DPT Integration only.) A subscriber can enter his mailbox directly when he callsthe VPS from his extension. He does not have to enter any special codes except for hispassword, if one is established.DPT IntegrationDigital integration between the VPS and the KX-TD500, the KX-TD816, the KX-TD1232, theKX-TA1232, the KX-TD308, or the KX-TDA/KX-TAW series. Requires upgraded software in thePBX.Depending on the model and/or the software version of the connected PBX, you may not beable to utilize some of the features available only with DPT Integration. For more information,call National Parts Center at 1-800-833-9626.DTMF(Dual Tone Multi Frequency) Commonly referred to as touchtone.