Note : only Vigor2700 and Vigor2800 series VoIP Router support the Digit Map function.
1. Introduction
The Vigor2800V allows each call to be configured with a distinct prefix rule. The prefix rule specifies how to interpret digit sequences dialed by the user, and how to convert those sequences into an outbound dial string.
2. Parameters
The prefix rule functionality is regulated by the following configurable parameters:
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3. Examples:
3-1: The 4 interfaces are registered with SIP accounts from different ITSP respectively. When you dial a number, the number will be transmitted via the default interface.
![]() The default interface is configured as VoIP 1. ![]() The digit map is configured as below: ![]() For example, we need to call FWD account 645479, we should dial 2645479, it matches the second rule, so this call is transmitted via interface VoIP2 but not the default VoIP1 and the first number 2 is striped. Of course, you may choose a complex number instead of 1,2,3,4. 3-2: Use digit map to simplify the dial number. ![]()
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