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1.28 Networking Features
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
Is the dialled number
identified as a TIE line access no.No
or an other PBX extension no. in the flexible numbering
plan of the own PBX?
Yes:
A TIE line access no.: 7
Other PBX extension no.: de
Is the leadingNo number (abc or de) found in the TIE Line
Routing and Modification Table
of the own PBX?
Yes
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.
Reorder tone
Is the trunk group
available?
Yes
Is there an idle trunk in the trunk group?
No
Reorder tone
No
Busy tone
Yes
Routes to other PBX or trunk.