Installation Manual 465Immediate ReplyAllows the message receiver to reply to a message without specifying the extension numberor the mailbox number of the sender.Inband SignalingThe Follow-On ID (or Called Party ID) that integrates the VPS and the PBX. Uses intercompaths to light message wait light. Does not give "high end" features such as: Intercom Paging,Direct Mailbox Access, Live Call Screening, etc.Incomplete Call Handling ServiceCalls are considered incomplete when there is no answer or if the line is busy.There are 6 options for the Incomplete Call Handling Service:(1) to record a message from the caller,(2) transfer the caller to a covering extension,(3) page the mailbox owner via the PBX,(4) notify the mailbox owner via beeper,(5) transfer the caller to the operator, or(6) let the caller try another extension.IntegrationRequired between the VPS and the PBX. See Inband Signaling and DPT Integration.Intercept Routing No AnswerTransfers an unanswered call to another extension or to the VPS.(This is a PBX feature.)Intercom Paging(Available with DPT Integration only.) Although Intercom Paging is generally paging throughtelephones ("internal paging"), paging through external speakers ("external paging") is alsosupported. Intercom Paging allows up to 16 different paging groups. An outside party canreach a subscriber who is away from his telephone using one of the paging groups that isassigned for the subscriber. (A paging group can be either internal or external.) For a Caller IDcaller, if his name has been recorded for the Caller Name Announcement feature, the namewill be announced at the end of the page.Interview ServiceA special type of subscriber mailbox that enables the subscriber to record up to 10 questions.After the answers are recorded, the Message Waiting Lamp turns on at the subscriber’stelephone. (Good for claims departments, order desks, job applications, etc.)KeypadAll touchtone keys on the telephone.