Configure DID/DNIS

In the System Configuration container, click the Phone Numbers subcontainer.
In the list view, double-click Configuration.
In the Phone Number Configuration dialog box, click the DID/DNIS tab.
For information on the information you see in the table, see Columns in the DID/DNIS table.
To add a DNIS call route to the table, click Add. In the DID/DNIS Identifier box, enter the DID/DNIS extension. You can use either simple mapping, substitute a prefix, or replace digits. Select a user name, workgroup name, or station name destination to route calls that dialed the number. Click OK. For more information, see Add a new DID/DNIS routing entry.
To edit a DID/DNIS call route entry, select the entry to edit and then click Edit. Make the necessary changes and then click OK.
To edit the digits in a DID/DNIS number, select the entry and then click Edit Digits. Make the necessary changes and then press the Enter key.
To remove a DID/DNIS call route entry, select the entry and then click Remove.