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3-126 Features
T 3 Features
Applicable Denied Code Classes and Excepted Codes depend on
the assigned toll restriction COS number of an extension as follows.
[Explanation]
COS 1: allows all calls.
COS 2: denies the 20 codes stored in Denied Code Class 2 assigned in
program [302], except all codes stored in Code numbers
01 through 80 assigned in program [306].
COS 3: denies the 40 codes stored in Denied Code Classes 2 and 3
assigned in programs [302] and [303], except the 60 codes stored
in Code numbers 01 through 60 assigned in program [306].
COS 4: denies the 60 codes stored in Denied Code Classes 2 through 4
assigned in programs [302] through [304], except the 40 codes
stored in Code numbers 01 through 40 assigned in program [306].
COS 5: denies the 80 codes stored in Denied Code Classes 2 through 5
assigned in programs [302] through [305], except the 20 codes
stored in Code numbers 01 through 20 assigned in program [306].
Example of Toll Restriction programming
Here is an example to explain the procedure for Toll Restriction
programming.
1. Determining the application
Determine the dialing numbers that should be denied for COS
numbers 2 through 5. (1 is fixed and does not require
programming.)
COS Number
1
2
3
4
5
Denied Codes
None
Codes for Class 2
Codes for Classes 2 and 3
Codes for Classes 2 to 4
Codes for Classes 2 to 5
Excepted Codes
None
All codes from Code number 01 to 80
15 codes from Code number 01 to 60
10 codes from Code number 01 to 40
5 codes from Code number 01 to 20