Altigen MAXCS ACC 6.5 Administration Manual page 413

Use this field to specify how a user's telephone number should be dialed by the
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UM Server in a different dial plan, and having a different country code. This is
used by an auto attendant and when an Outlook Voice Access subscriber
searches and tries to call the user in the directory.
This entry consists of a number prefix and n number of x characters (for
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example, 4420xxxxxxx).
To determine the telphone number, UM will append the last n-digits from the
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telephone number that is specified in the directory to the prefix that is
specified.
3. On the Dialing Rule Groups tab, add dial rules for in-country/region and international
calls that will be placed by UM-enabled users. Each dialing rule entry that is defined
on the dial rule group determines the types of calls that users within a specific dial
rule group can make.
Figure 17. Adding Dial Rule entries in the Dialing Rule Groups tab
For a Dialing Rule Entry (see Figure 17), the following are required:
Name - Select a name of an existing dialing rule or, if you want to create a dialing
rule, type the name of the dialing rule (up to 32 characters, text characters only).
This is the display name for the dialing rule that will be displayed in the Exchange
Management Console.
Number Mask - Define the number mask for the dialing rule. A number mask is
used to define the telephone number format that a Unified Messaging server will use
to determine what outgoing telephone number it will dial for a user. When an
Chapter 28: Microsoft Exchange Integration
MAXCS ACC 6.5 Administration Manual 399