Panasonic KX-TDA50 Feature Manual page 221

The hunt sequence by dialing [7+PBX Code 954+XXXX]:
The 1st route — trunk group (TRG) 2
3.2
To Receive a TIE Line Call
a)
Extension Number Method (Access without PBX Code)
[Example]
PBX-4
Extn. 1011
PBX-1
Dials "3011".
Note
When a TIE line call is sent from one PBX to another, the receiving PBX first modifies the
received number according to the assignment for the CO line port: the number of digits
removed, and the number added, are determined by this assignment. Then the PBX
checks whether the completed number is an existing extension number at that PBX.
Sending no. to PBX-4:
TIE Line Network
PBX-3
1 3011
PBX-2
954#–XXXX
A TIE line call is sent to PBX-2 from PBX-1.
1
If the number sent from PBX-1 is an
extension number of PBX-2 (e.g., 2011), the
call will be received at extension "2011". If
3 not, PBX-2 checks the number in the TIE
Line Routing and Modified Table of PBX-2.
Extn. 3011
If the match is found in the table, the call will
2
be modified according to the table and send
to the corresponding PBX (PBX-3).
2 3011
The number sent from PBX-2 "3011" is an
3
extension number of PBX-3. The call is
received at extension "3011".
Extn. 2011
1.13 P
Feature Manual 221