A1 Numbering Plan Example AlternativeGetting Started 41Dialling ExamplesThe VoIP network allows you to access the PBX at one location from another to establish anextension call.Calling from Los Angels to ChicagoTo extension 301 via IP networkCalling from Chicago to Los AngelsTo extension 201 via IP networkPBX Connection InformationPBX connection information is created by combining IP Addressing Information and PBXNumbering Information. According to the sample below, create your own PBX connectioninformation.• Terminal Number: Assign the first digit of the destinationnumber as the terminal number. See the example on theright.• Remaining Digits: The number of digits needed to bedialled in addition to the Terminal Number to access thedestination. See the example on the right.• Signal Port Number: The TCP port number on which call control signal transmission willoccur. Use the default value (1720) unless there is a known network conflict.• Unit IP Address: The IP address of each unit in the network (as the access destination).Los Angels PBX Chicago PBXExtensions FAX Extensions Extensions FAX ExtensionsTerminalNumber 2 5 3 6RemainingDigits 2 2 2 2Signal PortNumber1720(default)1720(default)Dial 301.extension no.Dial 201.extension no.2+00 to 99Remaining DigitsTerminal No.Los Angels extensionsExtension number