Panasonic KX-TDA15 Features Manual page 314

1.26 Networking Features
2.3
Trunk-to-TIE-to-Trunk Access
An outside caller can be connected to an outside party through the TIE line by using the DISA
feature.
[Example]
Trunk
Outside Caller
Dials "(DISA phone
number)-9-01-23-
4567".
Explanation:
1.
The outside caller dials the "DISA phone number of PBX-1", Idle Line Access number of PBX-
1 "9", and telephone number "01-23-4567".
2.
PBX-1 modifies the call (adds "952" and the Idle Line Access number of PBX-2 "9") and sends
the call to PBX-2 which has PBX code "952" through the TIE line (trunk group [TRG] 2)
according to the ARS programming of PBX-1.
3.
PBX-2 sends the modified call to the outside party "23-4567" according to its ARS
programming.
314 Feature Guide
Telephone Company
(area code: 09)
Trunk
PBX-1
PBX-Code 951
DISA Interface
Extn. 1011
Telephone Company
TIE Line Network
952-9-01-23-4567
TIE Line
TRG 2
(area code: 01)
Trunk
23-4567
PBX-2
PBX-Code 952
Interface
Outside Party
(23-4567)
Extn. 1011
Trunk