Panasonic KX-NS700 Feature Manual page 281

[Receiving a Call through a TIE Line]
PBX Code Method
(Access with PBX Code)
Does the modified number
contain the PBX code
assigned to this PBX?
Yes
Modifies the number
by removing the PBX code.
Operator Call No.
Directs the call
to an operator.
corresponding
No
extension idle?
Call Waiting
Busy tone
Intercept Routing
Busy/DND
Calls the extension.
Common Extension Numbering for 2 PBXs
Two PBXs can have extensions with the same leading number. TIE Line calling is available using extension
numbering.
Document Version 2017-06
A call is received via a TIE line.
The Incoming Number Modification Table
checks the CO line port carrying the call,
and modifies the number according to the
method assigned for that port.
Yes
a PBX code (Own PBX Code)
No
(found in the flowchart,
[Making a Call via a TIE
Line from an Extension])
The PBX checks the modified number to determine what kind of number it is.
Extension No.
of this PBX
Does the
No
extension
exist?
Yes
Is the
Sends a reorder
tone, or sends the
Yes
call to an operator
(Intercept Routing
No Destination).
Does the PBX have
assigned to it?
A
To
Extension No.
of Another PBX
A
To
(found in the
flowchart,
[Making a Call
PBX checks the Class of Service (COS)
via a TIE Line
from an
Extension])
Is the outgoing trunk group
programmed to allow calls
from this COS?
Toll Restriction (TRS) allow
to make this call?
Sends the call to the CO line.
15.1.13 PRIVATE NETWORK FEATURES
Extension Number Method
(Access without PBX Code)
No
Idle Line
Access No.
Sends a reorder
or
tone, or sends the
Trunk Group
call to an operator
Access No.
(Intercept Routing
No Destination).
of the incoming trunk group.
Reorder tone.
Yes
Does
this COS
Reorder tone.
Yes
Other
No
No
Feature Manual 281