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1.28 Networking Features
262 Feature Guide
3.3 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]
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 call to the outside party "01-23-4567".
TIE Line Network
TIE Line
952-9-01-23-4567
Outside Par
ty
Interface Interface
Extn. 1011 Extn. 1011
TrunkTrunk
TrunkTrunk
Dials "(DISA phone
number)-9-01-23-
4567".
(01-23-4567)
01-23-
4567
Outside Caller
TRG 2
DISA
Telephone Company
PBX-1
PBX-Code 951
PBX-2
PBX-Code 952