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1.8 Toll Restriction (TRS)/Call Barring (Barring) Features
104 Feature Guide
[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.
Ye s
Level 7
Level 1
Levels 2, 3, 4, 5, 6
Ye s
Ye s
Ye s
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.