Panasonic KX-NS1000 User Manual page 377

TIE Line Routing Flowchart
[Making a TIE Line Call from an Extension]
A TIE line call is made as follows:
PBX Code Method: 7-abc-xxxx
Extension No. Method: dexx
Is the dialled number
identified as a TIE line access no.
or an other PBX extension no. in
the flexible numbering
plan of the own PBX?
A
Is the leading
number (abc or de) found in the TIE Line
Routing and Modification Table
of the own PBX?
Selects the corresponding trunk group, and
the dialled number is modified if a removed
number of digits and/or added number is assigned.
Is the trunk group
available?
Is there an idle trunk
in the trunk group?
Routes to other PBX or trunk.
Yes:
TIE line access no.: 7
Other PBX extension no.: de
Yes
No
Yes
No
Yes
No
Not treated as
a TIE line call.
No
Reorder tone
Reorder tone
Busy tone
4.3.1 TIE Line Service
Feature Guide 377