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4.3.1 TIE Line Service
[Example]
Extn. 1011
Dials "7-953-1011".
Note
When a TIE line call is sent to a PBX from another PBX, first the PBX modifies the number sent to
the PBX according to the assignment for each trunk port of the PBX: the removed number of digits
from and/or added number to the number sent to the PBX is determined by the assignment. Then
the PBX starts to check the number whether the number has the PBX code of the PBX.
TIE Line Routing Flowchart
358
Feature Manual
TIE Line Network
PBX-4
PBX Code 954
1
953-1011
PBX-1
PBX Code 951
PBX-3
PBX Code 953
3
Extn. 1011
2
953-1011
Extn. 1011
PBX-2
PBX Code 952
A TIE line call is sent
1
to PBX-2 from PBX-1.
If the number sent
from PBX-1 has the
PBX code of PBX-2
"952", the call will be
received at the
corresponding
extension of PBX-2
(e.g., 1011 of PBX-2).
If not, PBX-2 checks
the number in the TIE
Line Routing and
Modified Table of
PBX-2.
If the match is found
2
in the table, the call
will be modified
according to the table
and send to the
corresponding PBX
(PBX-3).
The number sent from
3
PBX-2 "953-1011" has
the PBX code of
PBX-3 "953". The call
is received at
extension "1011" of
PBX-3.
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