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30 Getting Started
5.2.2 Toll Restriction (TRS) Features
Toll Restriction (TRS) can prohibit certain extension users from making unauthorised outside (CO)
line calls. Every extension is assigned to one of 5 classes of service (COSs) for each time service
mode (
TRS-COS—Day/Night/Lunch [601-603]); COS 1 grants the highest level of authorisation,
allowing all outside (CO) line calls to be made, and COS 5 grants the lowest level of authorisation.
COSs 2 through 5 are used to restrict calls with a combination of preprogrammed Denied Code Table
(→
TRS—COS 2-5 Denied Code [302-305]) and Exception Code Table (→ TRS—Exception Code
[306]).
Applicable tables by COS
The Denied Code Tables and Exception Code Tables that apply to each COS are listed below.
TRS-COS—Day/Night/Lunch [601-603]
COS No. Denied Code Tables Exception Code Tables
1
No restriction.
(Not Programmable)
No restriction.
(Not Programmable)
2
20 denied codes programmed in [302].
(Table for Class 2)
80 exception codes (code numbers 01–
80) programmed in [306].
(Tables for Classes 2 through 5)
3
40 denied codes programmed in [302]
and [303].
(Tables for Classes 2 and 3)
60 exceptions codes (code numbers 01–
60) programmed in [306].
(Tables for Classes 3 through 5 )
4
60 denied codes programmed in [302]
through [304].
(Tables for Classes 2 through 4)
40 exception codes (code numbers 01–
40) programmed in [306].
(Tables for Classes 4 and 5)
5
80 denied codes programmed in [302]
through [305].
(Tables for Classes 2 through 5)
20 exception codes (code numbers 01–
20) programmed in [306].
(Table for Class 5)
6 X
NEXT
extension jack no. COS no.
STORE END
(1
…
5)
(01
…
08/ )
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(01
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03)
01: for day
02: for night
03: for lunch