Panasonic KX-TDA100 Features Manual page 226

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