Panasonic KX-TDA30 Features Manual page 267

b)
Trunk Call through Other PBXs—by the ARS feature
[Example]
<Extension Number Method (Access without PBX Code)>
PBX-1
Interface
TRG 2
Extn. 1011
Dials "9-01-23-4567".
Explanation:
1.
Extension 1011 of PBX-1 dials the Idle Line Access number of PBX-1 "9" and telephone
number "01-23-4567".
2.
PBX-1 modifies the call (adds the Idle Line Access number of PBX-2 "9") and sends the
call to PBX-2 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
9-01-23-4567
TIE Line
Interface
Extn. 2011
Telephone Company
Trunk
01-23-4567
PBX-2
1.29 Networking Features
Trunk
Outside Party
(01-23-4567)
Feature Guide 267