Panasonic KX-NCP500 Features Manual page 343

1.30.1 TIE Line Service
<PBX Code Method (Access with PBX Code)>
Dial the [TIE Line Access Number] + [PBX Code] + [Extension Number].
® 4.9 [2-6-1] Numbering Plan—Main—Features—
TIE Line Access
® 11.1 [9-1] TIE Table—
Own PBX Code
[Example]
PBX-1 PBX-2 PBX-3
PBX Code 951 PBX Code 952 PBX Code 953
TIE Line TIE Line
Interface Interface Interface Interface
Extn.1011 Extn.1012
Extn. 1011 Extn. 1011
Dials "7-953-1011". Dials "7-952-1011".
[PBX code]
[TIE line
access no.]
[Extn. no.]
Explanation:
To use this method, it is necessary to know each PBX code in order to identify the location of an extension.
Case 1:
Extension 1012 of PBX-1 dials TIE line access number "7", PBX code "952", and extension number "1011".
® Extension 1012 of PBX-1 is connected to extension 1011 of PBX-2.
Case 2:
Extension 1011 of PBX-1 dials TIE line access number "7", PBX code "953", and extension number "1011".
® Extension 1011 of PBX-1 is connected to extension 1011 of PBX-3.
Feature Guide 343