Panasonic DBS 576 Technical Manual

Section 700 - Operation
576-50-700 DBS 576 (USA) issued September 2001 A-13
3.  Next the Origination TRS Level is determined for each Trunk group per class.
Using Table 1, “Example - User Needs Worksheet,” on page 10, each unique origination class is 
determined. Then using Table 3, “Example - Origination TRS Level Plan,” on page 12 the TRS level is 
determined for each class. (If there were multiple trunk groups available, a TRS level would be assigned 
for each trunk group for each class.)
Table A-4....

A-14 DBS 576 (USA) issued September 2001 576-50-700
Section 700 - Operation
4.  Calls are screened by first considering the initial digits dialed. In this case, the first Prefix Dialed entry is a 
1. This will look at any number that starts with 1. A * is available as a wild card. This represents any single 
digit 1-9. 
When prefix dial is being considered by the system, the system looks for the longest exact match first. The 
system will consider a wildcard last. For instance, 911 is considered before...

Section 700 - Operation
576-50-700 DBS 576 (USA) issued September 2001 A-15
5.  In this case, Prefix ID 1 links calls that have a dialed prefix of 1. Several entries are made to determine the 
restriction TRS level and the Route Type. The call originator must have a Origination TRS Level 
exceeding 1 for the call to be allowed. If any other analyze digits are dialed this would be covered by the 
three * wildcards (***). In this case; the call originator must have a TRS level exceeding 2 for the call to...

A-16 DBS 576 (USA) issued September 2001 576-50-700
Section 700 - Operation
ARS Configuration and Operation
This section provides the following:
• An overview of ARS. 
• An example ARS configuration.
• Worksheets for planning and implementing an ARS plan. 
ARS/TRS Programming/Operation Overview
The purpose of TRS is to restrict outside call origination based on the dialed number and the originator. The 
purpose of ARS is to automatically select the lowest cost route available for a call based on the...

Section 700 - Operation
576-50-700 DBS 576 (USA) issued September 2001 A-17
Figure A-2.  ARS/TRS Flowchart Page 1 of 2
Extension ortrunk dialsfirst
MCO Code(usually9)
U ser dialsdigit
W hatR oute
Type/Pattern
is entered? S ystem checks R estriction
TR S Levelin Leading D igit
or A nalyze D igitTableSyste m ch ecks originating
ext.ortrunk T R S C lass
System com pares
dialed digit(s) to
Leading D igits
Ta blePrefixDial
entries
System com pares
additionaldigit(s) to
A nalyze D igitsTable
PrefixDialentries...

A-18 DBS 576 (USA) issued September 2001 576-50-700
Section 700 - Operation
Figure A-3.  ARS/TRS Flowchart Page 2 of 2
System selectsTimeList
associated w ithSpecialD ay
Denythe callDenythe call
Denythe call
Denythe call
No m oredigits
outdialed Isthereanavailable
trunk (beginning w ith
firstp riorityroute)?
Hasthe Q ueuing
Timerexpired?Issue W arning Tone
tocalloriginator System selectsTimeList
associated w ithDay
ofthe W eek
Isthe originatorA R S
Levelless than the first
priorityARS Level
Isthisthe...

Section 700 - Operation
576-50-700 DBS 576 (USA) issued September 2001 A-19
If the analyze digits table is referenced by a prefix ID, the system will consider at all entries with the prefix ID 
and analyze any additional digits dialed. The system looks for the longest exact match. If there is an exact 
match, the system compares the entered TRS Restriction value to the call originator’s assigned TRS level. If the 
Restriction value is equal to or greater than the originator’s TRS level, the call is...

A-20 DBS 576 (USA) issued September 2001 576-50-700
Section 700 - Operation
•  restrict special calling numbers (976, 1900, outside operator, etc.)
•  public emergency numbers allowed
• 25 executive office telephones
•  no time restriction
•  no calling restrictions
• 2 attendant group phones
•  no restrictions during the day
•  local calls only at night to prevent abuse
• 7 warehouse phones
•  extension and public emergency numbers allowed
• Trunks 1-24 are in trunk group 1 and are to the local CO...

Section 700 - Operation
576-50-700 DBS 576 (USA) issued September 2001 A-21
Figure A-4.  Example System Configuration
CO101XXXX
Long Distance 
Carrier A (less 
exp ensive from
8 to 6)
101YYYY
Long Distance
Carrier B (less
exp ensive nig hts
and weekend s) Trunks
 1-24
Fo r ei g n  Exc h an g e 
Trunks 27, 28
(least expensive to City B)To l l - F r e e
Trunks 25, 26
(least expensive
long distance)
City B
( a r e a  c o d e )  5 5 X XXXX
75 Retail Floor Ext.
40 General Office Ext.
10 Buyer Ext.
25...

A-22 DBS 576 (USA) issued September 2001 576-50-700
Section 700 - Operation
Figure A-5.  Example Foreign Exchange Lines From City A to City B
In this case we have two Foreign Exchange (FX) lines to a City B Central Office Exchange. Using these lines are like dialing directly 
from the City B exchange.  We pay a flat fee for the FX line. There is no additional charge for calls to City B. 
For this example, there are three office exchange numbers in City B (555, 556, and 557) that we want to be able to...