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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Routing outgoing calls
189Modifying call routing
8
Using ARS to restrict outgoing calls
ARS allows you to block outgoing calls to specific dialed strings. For example,
you can restrict users from making international calls to countries where you do
not do business, or in the U.S. you can restrict access to 900 and 976 pay-per-call
numbers.
!
SECURITY ALERT:
To prevent toll fraud, deny calls to countries where you do not do business.
The following countries are currently concerns for fraudulent calling.
Instructions
To prevent callers from placing calls to Colombia (57):
1. Type
change ars analysis 01157 and press RETURN.
You enter 011 (international access) and the country code (57). The ARS
Digit Analysis Table screen appears.
2. Move to a blank Dialed String field.
If the dialed string is already defined in your system, the cursor appears in
the appropriate Dialed String field. Skip to step 5
to deny calls to this dialed
string.
3. Enter
01157 in the Dialed String field.
4. Enter
10 in the Total Mn and 23 in Total Mx fields.
5. Enter
deny (denied) in the Route Pattern field.
6. Enter
intl in the Call Type field.
7. Press
ENTER to save your changes.
country code country code
Colombia 57 Pakistan 92
Ivory Coast 225 Peru 51
Mali 23 Senegal 221
Nigeria 234 Yemen 967