Normalization rules are what dial plans use to take a user’s extension and translate it to a full E.164 format that can be matched to a user account. Continuing from the dial plan creation screen, perform the following steps to create a normalization rule:
1. On the Edit Dial Plan screen, click the New button in the Associated Normalization Rules section.
2. Provide a Name for the rule and Description for the rule.
This example uses the Normalization Rule tool. For more advanced pattern matching, click the Edit button at the bottom of the screen to manually enter the matching pattern and translation rule using regular expressions.
3. In the Starting digits field, enter the beginning digits of the string to be matched. ...