4.3.2.2 Common Extension Numbering for Multiple PBXsDescriptionMultiple PBXs in separate locations, connected in an IP network, can share a common block of extensionsdesignated in a gateway group.Extn. 203Extn. 202Extn. 102Extn. 303Extn. 201Extn. 105Extn. 104Extn. 103Extn. 101PBX B in Office B1) Extn. 105 dialledPBX C in Office C2) Extn. 105 notfound in PBX B3) Rerouted4) Check next PBX inGateway Group settings 5) Extn. 105found in PBX CPBX A in Office AV-IPGWV-IPGWV-IPGWPrivate IPNetworkExplanation:In the same way as when connected by a TIE Line, if a dialled number is not found at the local PBX, the callcan be sent to other PBXs connected via an IP network. When an extension number is dialled, the PBX firstsearches local extensions for a matching number. If there is no match, the PBX then checks the TIE LineRouting Table for the Gateway Group for a corresponding entry. If an entry is found, the call is sent to theconnected PBX.Conditions• System programming is required to enable this feature.• If the called extension does not exist at the called PBX, the next PBX in the same gateway group is calledautomatically.• The Routing to Operator setting in system programming must be disabled to use this feature.• To use this feature, all PBXs in the IP network must be KX-NS1000 PBXs, or KX-NCP/KX-TDE seriesPBXs with MPR Software Version 3.0000 or later.PC Programming Manual References18.5 PBX Configuration—[10-5] CO & Incoming Call—Miscellaneous— Intercept—Routing to Operator -No Destination (Destination is not programmed.)Feature Guide 4034.3.2 Voice over Internet Protocol (VoIP) Network
