1.8 Toll Restriction (TRS)/Call Barring (Barring) Features
TRS/Barring Level
TRS/Barring level is determined by the applicable levels of Denied Code Tables and Exception Code Tables.
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| Denied Code Tables*1 | Exception Code Tables*2 |
| Level 1 | Not Programmable | Not Programmable |
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| Level 2 | Table for Level 2 | Tables for Levels 2 through 6 |
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| Level 3 | Tables for Levels 2 and 3 | Tables for Levels 3 through 6 |
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| Level 4 | Tables for Levels 2 through 4 | Tables for Levels 4 through 6 |
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| Level 5 | Tables for Levels 2 through 5 | Tables for Levels 5 through 6 |
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| Level 6 | Tables for Levels 2 through 6 | Tables for Level 6 |
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| Level 7 | Not Programmable | Not Programmable |
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*1: | TRS/Barring Denied Code [301] |
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*2: | TRS/Barring Exception Code [302] |
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Explanation:
Level 1: Allows all calls.
Level 2: Denies codes stored in the Denied Code Table for Level 2 except the codes stored in Exception Code Tables for Levels 2 through 6.
Level 3: Denies codes stored in the Denied Code Tables for Levels 2 and 3 except the codes stored in Exception Code Tables for Levels 3 through 6.
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Level 7: Allows intercom calls only.
[Programming Example]
COS No. |
| Level for Time Mode*1 |
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| Level for System | |||
Day | Lunch | Break |
| Night |
| Speed Dialling*2 | ||
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1 |
| 1 | 1 | 1 |
| 6 | 1 | |
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2 |
| 2 | 2 | 2 |
| 6 | 1 | |
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: |
| : | : | : |
| : | : | |
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*1: | TRS/Barring Level [501] |
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*2: | TRS/Barring Level for System Speed Dialling [509] |
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Feature Guide
103
