Panasonic KX-TDA50 Feature Manual page 206

1.13 P
[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?
Modifies the number
by removing the PBX code.
Operator Call No.
Directs the call
to an operator.
No
Call Waiting
Busy tone
Intercept Routing
Busy/DND
2.
Making a TIE Line Call
One of the following two methods can be used to make a TIE line call.
a)
Extension Number Method (Access without PBX Code)
206 Feature Manual
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
Yes
The PBX checks the modified number to determine what kind of number it is.
Extension No.
of this PBX
Does the
No
corresponding
extension
exist?
Yes
Is the
extension idle?
Sends a reorder
tone, or sends the
Yes
call to an operator
(Intercept Routing
No Destination).
Calls the extension.
Does the PBX have
assigned to it?
A
To
(found in the flowchart,
[Making a Call via a TIE
Line from an Extension])
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.
Extension Number Method
(Access without PBX Code)
No
Idle Line
Access No.
or
Reorder tone.
Trunk Group
Access No.
of the incoming trunk group.
Reorder tone.
Yes
Does
this COS
Reorder tone.
Yes
Other
No
No