dial plan
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- A grouping of telephony users with some specific properties, such as unique telephone extension numbers, that allow the Private Branch eXchange (PBX) to determine what action to take with dialed digits. [Exchange 2007]
Microsoft - Cite This Source - This Definition - Auto Attendant, call answering, hunt group, outdialing, PBX (Private Branch eXchange), pilot identifier, pilot number, PIN, subscriber access number, UM access telephone number