Lucent Technologies 8.2 User Manual

Page of 1707
DEFINITY ECS Release 8.2
Administrator’s Guide  
555-233-506  
Issue 1
April 2000
Routing outgoing calls 
189
Modifying 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