Avaya Communication Manager Administrator's Manual page 227

To add a new prefix, follow the same directions, except use a shorter dial string (such as list ars
route-chosen 2223333, where
Tip:
If you change an existing area code for a network with multiple locations, be sure to
change the
Multiple Locations
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
Enter 011 (international access) and the country code (57). The ARS Digit Analysis Table screen
appears.
2
Move to a blank
If the dialed string is already defined in your system, the cursor appears in the appropriate
String field. Skip to
3
Enter 01157 in the
4
Enter 10 in the
5
Enter deny (denied) in the
6
Enter intl in the
7
Press
ENTER
Administrator's Guide for Avaya Communication Manager
November 2003
222 is the old prefix) and a dial type of hnpa.
Number Plan Area Code
on page 221.
country code
Colombia 57
Ivory Coast 225
Mali 23
Nigeria 234
field.
Dialed String
Step 5 to deny calls to this dialed string.
Dialed String field.
and 23 in
Total Min Total Max
Route Pattern
field.
Call Type
to save your changes.
field on the Locations screen. See
country code
Pakistan 92
Peru 51
Senegal 221
Yemen 967
.
ENTER
fields.
field.
Routing Outgoing Calls
Modifying Call Routing
Setting up
Dialed
227