Trk/Line Data / 121Note: The digits provided by the CO need not match theNorstar numbering plan. You can use the ConfigurationRec’d #: _ heading to specify the digits that make atarget line ring. You can use the Configuration DISA DNor Auto DN settings to specify the numbers that make thesystem answer a remote call automatically.Target lines‘A target line is a specific communication path reached by meansof digits received from an incoming trunk. Target lines are usedto answer incoming calls but cannot be used to make outgoingcalls.Auto-answer loop start and E&M trunks, and DID trunks, provideautomated routing of calls to different destinations depending onthe digits dialed. The destination is usually a target line (a virtualline) that can be assigned to telephones in the same way as aphysical line. Target lines provide for attendant by-pass (callingdirectly to a specific department or individual) and lineconcentration (one trunk can fan out into many target lines).The digits received on an incoming trunk may be:- received from a Central Office (in the case of DID)- received from a PBX (in the case of E&M)- dialed by a remote user after having received system dialtone (in the case of auto-answer loop start, auto-answer E&Mtrunks or DID trunks).By default, no target lines are assigned. However, if auto-answertrunks are used in the system, you can assign target lines to setsin the same way that other lines are assigned (in2. Line Frccess of Configuration).Target lines are referred to by line numbers in the same way asphysical lines.Modular DR5 Installer Guide
