4.3.2.2 Common Extension Numbering for Multiple PBXs
Description
Multiple PBXs in separate locations, connected in an IP network, can share a common block of extensions
designated in a gateway group.
Extn. 203
Extn. 202
Extn. 102
Extn. 303
Extn. 201
Extn. 105
Extn. 104
Extn. 103
Extn. 101
PBX B in Office B
1) Extn. 105 dialled
PBX C in Office C
2) Extn. 105 not
found in PBX B
3) Rerouted
4) Check next PBX in
Gateway Group settings
5) Extn. 105
found in PBX C
PBX A in Office A
V-IPGW
V-IPGW
V-IPGW
Private IP
Network
Explanation:
In the same way as when connected by a TIE Line, if a dialled number is not found at the local PBX, the call
can be sent to other PBXs connected via an IP network. When an extension number is dialled, the PBX first
searches local extensions for a matching number. If there is no match, the PBX then checks the TIE Line
Routing Table for the Gateway Group for a corresponding entry. If an entry is found, the call is sent to the
connected 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 called
automatically.
• 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-NS series PBXs, or KX-NCP/KX-TDE series
PBXs with MPR Software Version 3.0000 or later.
PC Programming Manual References
18.5 PBX Configuration—[10-5] CO & Incoming Call—Miscellaneous— Intercept—Routing to Operator -
No Destination (Destination is not programmed.)
Feature Guide 433
4.3.2 Voice over Internet Protocol (VoIP) Network
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