40 CHAPTER 2: D IAL P LANExample: You can assign the company’s Vice President of Finance to agroup that you name the All Privileges Group. You can set thepermissions for that group so that group members have permission tomake LongDistance calls during all system modes.Internal DialPlan TableThe Internal dial plan table (table ID 1) defines how to handle calls placedfrom internal devices, such as NBX Business or Basic Telephones, to adestination. A destination can be another internal device, such as a localtelephone, or an external telephone line (Analog Line Card or Digital LineCard) that connects the NBX system to other facilities.The Internal dial plan table consists of a series of commands. For anexample of the command format, see “Dial Plan Command Format”earlier in this chapter. Table 6 on page 37 describes each element of thecommand. Table 7 describes the predefined routes.You cannot delete or modify predefined routes, only create new routes.Each device must have a Normal table. The Least Cost Routing table isoptional. Telephones use the Internal dial plan table (table ID 1) as theirnormal outbound table and the Least Cost Routing table (table ID 3) astheir long distance routing table.Incoming DialPlan TableThe Incoming dial plan table (table ID 2) defines how calls arriving fromoutside the NBX system are routed to extensions. Incoming calls canarrive on analog telephone lines or through Digital Line Card ports.Table 7 Predefined RoutesRoute Number Description1 Local CO (strip)2 Local CO (no strip)3 Voice Application (Auto Attendant on extension 500)4 Attendant (person)5 H.323 Gateway6 Least Cost Route exampleOther User-defined routes
