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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Routing outgoing calls
176Understanding ARS analysis
8
The far-left column of the ARS Digit Analysis Table lists the first digits in the
dialed string. When a user makes an outgoing call, the system analyzes the digits,
looks for a match in the table, and uses the information in the matching row to
determine how to route the call.
Let’s say a caller places a call to 1-303-233-1000. The switch matches the dialed
digits with those in the first column of the table. In this example, the dialed string
matches the ‘1’. Then the systems matches the length of the entire dialed string
(11 digits) to the minimum and maximum length columns. In our example, the
11-digit call that started with 1 follows route pattern 30 as an fnpa call.
Tip:
The first dialed digit for an external call is often an access code. If ‘9’ is
defined as the ARS access code, the switch drops this digit and analyzes the
remaining digits with the ARS Analysis Table.
The Route Pattern points to the route that handles the calls that match this dial
string.
Call Type tells what kind of call is made with this dial string. Call type helps the
switch decide how to handle the dialed string.
Examples of digit conversion
Your system uses the AAR or ARS Digit Conversion Table to change a dialed
number for more efficient routing. Digits may be inserted or deleted from the
dialed number. For instance, you can tell the switch to delete a 1 and an area code
on calls to one of your locations, and avoid long-distance charges by routing the
call over your private network.
ARS DIGIT ANALYSIS TABLE
Location: all Percent Full: 6
Dialed Total Route Call Node ANI
String Min Max Pattern Type Num Req
1____________________1 1 12 svcl ___ n
1____________________11_ 11 ____30 fnpa ___ n
1____________________12_ 23____ 17 intl ___ n
10xxx________________5 _ 5 ____ deny op ___ n
1800_________________11_ 11____ 30 fnpa ___ n
2____________________7 _ 7 ____ 2 hnpa ___ n
3____________________7 _ 7 ____ 2 hnpa ___ n
4____________________7 _ 7 ____ 2 hnpa ___ n
5____________________7 _ 7 ____ 2 hnpa ___ n
6____________________7 _ 7 ____ 2 hnpa ___ n
7____________________7 _ 7 ____ 2 hnpa ___ n