[Flowchart]
An extension user makes
a trunk call.
Is the call made by System
Speed Dialling ?
What is the TRS/Barring level?
Is the dialled number found in
applicable Denied Code Tables?
Is the dialled number found in
applicable Exception Code Tables?
The call is denied.
The user hears reorder tone.
Is TRS/Barring Override by
System Speed Dialling enabled?
The call is made.
Yes
Level 7
Level 1
Levels 2, 3, 4, 5, 6
Yes
Yes
Yes
No
No
No
No
Checks the TRS/Barring
level for System Speed
Dialling of the
extension's COS.
Checks the
TRS/Barring level for
the time mode of the
extension's COS.
TRS/Barring Settings for Each Level
Through system programming, it is possible to select a different method of TRS/Barring. With this method,
each level has its own separate set of denied codes and exception codes, which are only applied to that level.
® 9.5 [7-5] Miscellaneous—
TRS Table Mode for Level N (N=2_6)
Denied Code Tables
*1
Exception Code Tables
*2
Level 1 Not Programmable Not Programmable
Level 2 Table for Level 2 Table for Level 2
130 Feature Guide
1.9.1 Toll Restriction (TRS)/Call Barring (Barring)
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