1.2 Network Devices and Numbering Plan8 Getting StartedCalling from Chicago to Los AngelsTo extension 201 via IP networkTo local telephone 456-7890 via IP network through local PSTNPBX Connection InformationPBX connection information is created by combining IP Addressing Information and PBXNumbering Information. According to the sample below, please create your own PBXconnection information.• Terminal Number: The number composed of thePBX Office Code followed by the first digit from thedestination number. See the example on the right.• Remaining Digits: The number of digits needed to bedialled in addition to the Terminal Number to accessthe destination. (Setting, for example, remaining digitsto 7 does not mean that the user must dial all 7 digitswhen making a call.) See the example on the right.• Signal Port Number: The TCP port number on which call control signal transmission willoccur. When installing the IP Gateway Card within a firewall as in this example, voice andfax packets must routed through specified firewall ports. Consult your networkadministrator for specific values.• Access IP Address: The IP address of each unit in the network (as the accessdestination).Los Angels PBX (Office Code: 35) Chicago PBX (Office Code: 41)Extensions FAXExtensionsPSTNAccessExtensions FAXExtensionsPSTNAccessTerminalNumber 352 355 359 413 416 419RemainingDigits 2 2 7 2 2 7Signal PortNumber1720(default)1720(default)Access IPAddress 200.45.11.35 199.176.64.41Dial 35.Dial 801. Dial 201.Los Angels PBXoffice code extension no.IP trunk no.Dial 35. Dial 9.Dial 801. Dial 456-7890.Los Angels PBXoffice code phone no.Los Angels PBXPSTN trunk no.IP trunk no.352+00-99PBX OfficeCodeRemaining DigitsTerminal No.Los Angels extensionsFirst digit ofthe extensionnumberRemaining digitsof the extensionnumber