Panasonic KX-TDA50 Feature Manual page 226

1.13 P
2.3
CO Line-to-TIE-to-CO Line Access
An outside caller can be connected to an outside party through the TIE line by using the DISA
feature.
[Example]
CO Line
Outside Caller
Dials "(DISA phone
number)-9-1-333-
123-4567".
Explanation:
1.
The outside caller dials the "DISA phone number of PBX-1", Idle Line Access number of PBX-
1 "9", and telephone number "1-333-123-4567".
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 "333-123-4567" according to its ARS
programming.
226 Feature Manual
Telephone Company
(area code: 222)
CO Line
TIE Line Network
PBX-1
PBX Code 951
952-9-1-333-123-4567
DISA Interface
TRG 2
Extn. 1011
Telephone Company
(area code: 333)
CO Line
PBX-2
PBX Code 952
TIE Line
Interface
Extn. 1011
123-4567 CO Line
Outside Party
(333-123-4567)