2.14 [7] TRS
PC Programming Manual 729
2.14 [7] TRS
2.14.1 [7-1] Denied Code
Toll Restriction (TRS)/Call Barring (Barring) prohibits an extension from making certain trunk calls.
Each time mode of every COS is assigned one of the seven TRS/Barring levels. TRS/Barring level 7
provides the maximum restriction (all trunk calls are prohibited) and level 1 provides the minimum (all
trunk calls are allowed). TRS/Barring levels 2–6 are used to restrict calls according to the codes
programmed in the Denied Code Tables here and Exception Code Tables in 2.14.2 [7-2]
Exception Code. If the leading digits of the dialled number are not found in the applicable Denied
Code Tables, the call is made.
A maximum of 100 denied codes can be programmed for each level. 20 codes are displayed at a time.
To display other sets of codes, click the applicable tab.
Denied Code Tables—Level 2–Level 6
Specifies the leading digits of toll restricted numbers for each level.
Value Range
Max. 16 digits (consisting of 0–9, *, #, and X)
Maintenance Console Location
2.14.1 [7-1] Denied Code
Programming Manual References
2.9.11 [2-7-1] Class of Service—COS Settings—TRS—TRS Level—Day, Lunch, Break, Night
2.14.2 [7-2] Exception Code
Feature Guide References
1.9.1 Toll Restriction (TRS)/Call Barring (Barring)
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