Panasonic KX-NS1000 Feature Manual page 273

[Example]
CO Line
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 or DIL call destination of PBX-1. (® 5.1.7 DID (Direct Inward
Dialing))
® 18.3 PBX Configuration—[10-3] CO & Incoming Call—DDI / DID Table—
Destination—Day, Lunch, Break, Night
b.
FWD/Call Transfer/Intercept Routing to the TIE Line
[Example]
CO Line
Outside Caller
Dials "123-4567".
Document Version 2016-03
Telephone Company
CO Line
TIE Line Network
PBX-1
DID No: 4567
Destination: 2011
TIE Line
Interface
Extn. 1011
Telephone Company
CO Line
TIE Line Network
PBX Code 952
PBX-1
TIE Line
Interface
Forwarded/Transferred
/Intercepted to 7-952-2011
Extn. 1011
15.1.12 PRIVATE NETWORK FEATURES
PBX-2
Interface
Extn. 2011
DDI / DID
PBX Code 952
PBX-2
Interface
Extn. 2011
Feature Manual 273