Samsung DCS-816, Programming Manual

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SAMSUNG Programming
DCS-816 February, 1999
2-14
TOLL RESTRICTION (CALL BARRING)
OVERVIEW
DCS-816 allows each station to be assigned a class of service (COS) for use in
the day mode and a COS for use in the night mode. This COS determines the
station’s dialling class, which can be set to A through H.
Class A has no general restrictions and is not configurable but it will follow the
restrictions set in the Class of Service table (see MMC 701) and Class H is
restricted to internal calls only.
Classes B, C, D, E, F and G are controlled by the entries listed in the deny table
in MMC 702, the allow table in MMC 703 and the wild cards defined in MMC 704.
Toll Restriction (Call Barring) Rules
1. The deny entries prevent certain numbers from being dialled. The allow
entries are the only exceptions to these deny entries.
2. Listing numbers in the allow tables without any entries in the deny tables is
the same as having no restriction.
3. When changing any entry or BCDEFG status, you must enter all digits.
The system has a Wild Card facility, these wildcards consists of three
characters (X, Y or Z), these characters can be set to equal all DTMF digit
from 1~9, 0,
✱
and #.
The following examples are provided as an aid to help understand how to use the
deny and allow tables.
Example
Customer requirements:
l
Phones with dialling class B can only dial local calls (i.e. cannot dial any
number starting with 0)
l
Classes C and D are restricted (denied) from dialling 0860 and 0850 numbers.
l
Classes E and F are restricted from dialling 0891 and 0898 numbers.
l
Class G can dial any number.
l
All classes except B can dial 192
l
All classes can dial 999 calls.