Panasonic KX-NSX1000 Manual page 342

4.3.1 TIE Line Service
[Example]
PBX-1
Interface
Extn.1011 Extn.1012
Dials "3011". Dials "2011".
Explanation:
To use this method, it is necessary to change the first one or two digits of extension numbers of either PBX
(e.g., 10XX for PBX-1, 20XX for PBX-2) to allow calls to be routed properly.
Case 1:
Extension 1012 of PBX-1 dials extension number "2011".
→ Extension 1012 of PBX-1 is connected to extension 2011 of PBX-2.
Case 2:
Extension 1011 of PBX-1 dials extension number "3011".
→ Extension 1011 of PBX-1 is connected to extension 3011 of PBX-3.
<PBX Code Method (Access with PBX Code)>
Dial the [TIE Line Access Number] + [PBX Code] + [Extension Number].
→ 10.6.1 PBX Configuration—[2-6-1] System—Numbering Plan—Main—Features— TIE Line Access
→ 17.1 PBX Configuration—[9-1] Private Network—TIE Table—Own PBX Code
[Example]
PBX-1
PBX Code 951
Extn.1011
Dials "7-953-1011".
Explanation:
To use this method, it is necessary to know each PBX code in order to identify the location of an extension.
Case 1:
342 Feature Manual
PBX-2
TIE Line
Interface Interface
Extn. 2011
PBX Code 952
TIE Line
Interface Interface Interface
Extn.1012
Extn. 1011
Dials "7-952-1011".
[PBX code]
[TIE line
access no.]
[Extn. no.]
PBX-3
TIE Line
Interface
Extn. 3011
PBX-2
TIE Line
PBX-3
PBX Code 953
Interface
Extn. 1011