Panasonic KX-TDA100D Features Manual page 280

1.30.1 TIE Line Service
It is also possible to forward calls using a virtual PS. Using this method, trunk calls received at PBX-1 are
forwarded directly to the extension at PBX-2, even when using the PBX Code method.
a.
Incoming Trunk Call Destination Assignment
[Example]
Trunk
Outside Caller
Dials "123-4567".
Explanation:
An outside caller dials "123-4567". The call is sent to extension "2011" of PBX-2 through the TIE line
according to the assignment of the DID call destination of PBX-1. (® 1.1.1.3 Direct Inward Dialling
(DID)/Direct Dialling In (DDI))
® [453] DID Destination
b.
FWD/Call Transfer/Intercept Routing to the TIE Line
280 Feature Guide
Telephone Company
Trunk
TIE Line Network
PBX-1
DID No: 4567
Destination: 2011
TIE Line
Interface
Extn. 1011
PBX-2
Interface
Extn. 2011