Panasonic HYBRID IP-PBX KX-TDA200 - Manual (Page 250)

1.27 Networking Features
250 Feature Guide
4. 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
Yes:
TIE line access no.: 7
Other PBX extension no.: de
No
No
Reorder tone
No
No
Routes to other PBX or trunk.
Yes
Yes
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?
Is the trunk group
available?
Yes
Is there an idle trunk
in the trunk group?
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.
Not treated as
a TIE line call.
A
Reorder tone
Busy tone