Samsung Cell Phone DCS User Guide

No. 2  
September 1996  
Topic Toll Restriction  
Introduction  
Toll Restriction is the ability to control external trunk call destinations. The Samsung DCS  
supports a comprehensive Toll restriction system which can limit access to called  
destinations based on dialled digits or time of day. Restrictions can be placed on stations and  
or trunks.  
The flowchart below shows how the Samsung DCS system performs toll restriction.  
Start  
Yes  
Trunk  
No  
PABX?  
Compare 1st  
digits to PABX  
Access Codes  
Digit(s) in  
PABX Access  
Code Table  
?
No  
Yes  
Look at digits  
following PABX  
Access Code  
Look at dialled  
digits  
Digit(s)  
in Deny  
Table ?  
No  
Yes  
Yes  
No  
Digits in Allow  
Table  
?
Allow call to  
progress  
Bar Call  
Samsung DCS Application Note No 2 - Issue 01  
Page 1 of 6  
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MMC 701- Assign COS Contents  
There are many sections to MMC 701 including the first data field which relates to Class of  
Restriction (COR). This application note only refers to the COR data field of MMC 701.  
There are eight choices for Class of Restriction; A, B, C, D, E, F, G and H. Of the eight  
choices, only B, C, D, E, F and G can be defined by the technician.  
Class of Restriction Definition  
A
B
C
D
E
F
No Toll Restrictions for COR A  
Technician defined  
Technician defined  
Technician defined  
Technician defined  
Technician defined  
G
H
Technician defined  
No Outgoing Access for COR H  
The technician can define the Classes of Restriction using the following MMCs:  
MMC  
MMC 702  
MMC 703  
MMC 704  
Title  
Toll Deny Table  
Toll Allowance Table  
Assign Wild Character  
MMC 702 - Toll Deny Table  
There are 200 locations in the MMC 702 Toll Deny Table. Each location consists of two fields.  
The first digit(s) in the dial string to be barred are entered in the first field of each location.  
Valid data includes digits “0” to “9”, * , # and Wild Characters X, Y and Z. The maximum  
number of characters in the first field is twelve.  
The second field is used to indicate which COR the first field relates to.  
If a “1” is programmed for a COR in the second field, the first field applies to that COR. If a “0”  
is programmed in the second field for a COR, that COR is not barred for the data in the first  
field.  
Example  
Deny (007) :  
0055  
B
0
C
0
D
1
E
1
F
1
G
1
:
In this example, stations with COR B and C are not barred from dialling 0055 numbers but  
stations with COR D, E, F, and G are barred from dialling 0055 numbers.  
Examples are given later in this Application Note using Wild Characters in MMC 702.  
MMC 703 - Toll Allowance Table  
There are 200 locations in the MMC 703 Toll Allowance Table. Each location consists of two  
fields.  
Samsung DCS Application Note No 2 - Issue 01  
Page 3 of 6  
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As mentioned above, MMC 703 is only used if the first digit(s) in the dialled string are  
programmed in MMC 702. MMC 703 may be considered as “an exception to the MMC 702  
rule”. The flowchart describes how the Samsung DCS uses MMC 702 and MMC 703.  
The first field contains the digit(s) that are the exception and the second field indicates to the  
DCS which CORs the exception applies. This is a similar arrangement to MMC 702.  
A “1” in the second field indicates which CORs have the exception applied. A “0” in the  
second field indicates that COR does not have the exception applied to it.  
Please note that a Wild Character must be placed at the end of the Deny Table (MMC 702) to  
indicate there is an exception in MMC 703. Wild Characters are described in detail below.  
Example  
This example follows on from the example given for MMC 702. In this case, stations with  
COR D cannot generally dial “0055” numbers but can dial “0055 11235”.  
MMC 702  
Deny (007) :  
0055Z  
B
0
C
0
D
1
E
1
F
1
G
1
:
The Wild Character Z is programmed after 0055 to indicate there is an exception  
programmed in MMC 703  
MMC 703  
Alow (001) :  
005511235 :  
B
0
C
0
D
1
E
0
F
0
G
0
A “0” is programmed for CORs B and C because they can dial all “0055” numbers. A “0” is  
programmed for CORs E, F and G because they are not permitted to dial any “0055”  
numbers.  
MMC 704  
:
Z :  
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
1
*
1
#
1
“1”s are programmed for all digits to indicate that no digits may be dialled after “0055” except  
the number(s) in the Allowance Table - MMC 703.  
Samsung DCS Application Note No 2 - Issue 01  
For Further Information Call LSP Communications  
Page 4 of 6  
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MMC 704 - Assign Wild Character  
Wild Characters are used to simplify programming for Toll Restriction. There are three Wild  
Characters - X, Y, and Z.  
A wild character can be used in place of any digit after it has been defined in MMC 704.  
MMC 704 has two fields for data. The first field indicates which Wild Character is being  
defined and the second field indicates to which digits the Wild Character applies.  
Example  
Wild Character X is used to represent all digits except digit “9”.  
:
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
0
*
1
#
1
X :  
An application of Wild Character X defined above could be used in Melbourne or Sydney  
where the only allowed digits for a station with local access are numbers beginning with “9”. If  
stations with COR D were only allowed to dial local numbers, the following programming  
could be used.  
MMC 702  
Deny (001) :  
X
B
1
C
1
D
1
E
0
F
0
G
0
:
An alternate method of achieving the same result would be:  
MMC 702  
Deny  
0Y  
1Y  
2Y  
3Y  
4Y  
5Y  
6Y  
7Y  
8Y  
* Y  
#Y  
B
0
0
0
0
0
0
0
0
0
0
0
C
0
0
0
0
0
0
0
0
0
0
0
D
1
1
1
1
1
1
1
1
1
1
1
E
1
1
1
1
1
1
1
1
1
1
1
F
1
1
1
1
1
1
1
1
1
1
1
G
1
1
1
1
1
1
1
1
1
1
1
:
:
:
:
:
:
:
:
:
:
:
The purpose of the Wild Character Y after each digit is to permit exceptions in MMC 703.  
MMC 704  
:
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
1
*
1
#
1
Y :  
Samsung DCS Application Note No 2 - Issue 01  
Page 5 of 6  
For Further Information Call LSP Communications  
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The example above demonstrates that using Wild Characters makes programming easier for  
the technician. Wild Characters are especially useful when Toll Restriction Tables are  
required for rural areas where the definition of a local call is far more complex than in the  
Capital cities.  
Case Studies  
Case Study No 1  
A Melbourne Customer wishes stations to have outgoing access as described in the table  
below.  
Digits  
Use  
COR A COR B COR C COR D  
COR E  
000 only  
ü
All  
ü
Aus  
ü
Vic  
ü
Local  
ü
000 Emergency  
9 Local  
ü
ü
ü
ü
´
´
´
´
´
´
´
´
´
´
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
ü
02 NSW  
07 QLD  
08 WA/SA/NT  
´
´
´
ü
ü
ü
´
´
´
ü
ü
1800 Free  
013 Enquiry  
5 Vic Country  
6 Tas  
´
´
ü
´
ü
13 13 call  
005511235 Recorded  
´
´
This Case Study Assumes the DCS is being programmed from default data.  
Use the following MMCs  
301  
701  
702  
703  
704  
Samsung DCS Application Note No 2 - Issue 01  
For Further Information Call LSP Communications  
Page 6 of 6  
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