In most corporate environments, the telephone network is configured so that you can reach a destination by dialing only a portion of the full telephone number. You can define an extension number as the destination pattern for a dial peer.
How VRC manages the extension number is defined in a number expansion rule. Number expansion sets are a set of these rules.
Adding a number expansion set enables you to define a set of digits for the router to add to the beginning of a dialed string before passing it to the remote telephony device. This reduces the number of digits that a user must dial to reach a remote location.
Use this procedure to add a number expansion rule for a number expansion set.
You must be in the Design View to add a number expansion rule.
Expand the dial plan tree to view all components.
Locate the zone which contains the number expansion set you want to add a number expansion rule for.
Click the Number Expansion Sets tab. The list of number expansion sets for this zone is displayed.
Double-click the number expansion set you want to add a number expansion rule to.
Click the Rules tab.
Right-click and choose Add from the menu.
Enter the number expansion rule attribute information.
Number - The order you want this number expansion rule to show up in the generated CLI (with 1 being first). Must be an integer between 0 and 2147483647.
Search Pattern - The digit or digits that define an extension number for a particular dial peer. Value can be a string up to 32 characters.
Replacement Pattern - The digit or digits that define the expanded telephone number or destination pattern for the extension number listed. Value can be a string up to 32 characters.
8. Click Apply to apply the values and add the number expansion rule.
Click Cancel to cancel the procedure.