Panasonic KX-TDE100 Feature Manual page 244

Pure ip-pbx telephone systems
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13.1.15 PRIVATE NETWORK FEATURES
Common Extension Numbering for 2 PBXs
Two PBXs can have extensions with the same leading number. TIE Line calling is available using extension
numbering.
CO Line
Outside Caller
Dials "123-4567".
Explanation:
The PBX first searches local extensions for a matching number. If a dialed number is not found at the local
PBX, the call can then be sent to a remote PBX, and the remote PBX checks the TIE Line Routing Table for
a corresponding entry.
Case 1:
Extension 1012 of PBX-1 dials extension number "1011".
® The dialed number is found at the local PBX, and extension 1012 of PBX-1 is connected to extension 1011
of PBX-1.
Case 2:
Extension 1012 of PBX-1 dials extension number "1033".
® The dialed number is not found at the local PBX, so the call is redirected to the specified TIE Line, and
extension 1012 of PBX-1 is connected to extension 1033 of PBX-2.
Case 3:
A public CO line call directed to extension 1033 arrives at PBX-1.
® The target extension number is not found at the local PBX, so the call is redirected to the specified TIE Line,
and the call is connected to extension 1033 of PBX-2.
The KX-NCS4910 or KX-NCS4950 (Activation Key for Software Upgrade to Enhanced Version) is required
to use this feature.
System programming is required to enable this feature.
If a dialed number is not found at a remote PBX, the call cannot be redirected to the local PBX to search
for a matching number.
244
Feature Manual
Telephone Company
CO Line
TIE Line Network
PBX-1
DID No.: 4567
Destination: 1033
TIE Line
Interface
Extn.1011
Extn.1012
Dials "1033".
PBX-2
Interface
Extn.1033
Document Version 2009-12

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