Once you have created a link route you need to associate it with a link in order for it to have any effect. To associate a link with a link route, follow the procedure described here:
Open Link Builder, by selecting Setup > Link Builder from the Webcare menu.
Find the link you want to associate with the link route and either click on the link name in the table, or click the
Edit the Link icon.
Click on the Show Advanced Features button at the bottom of the Link Customization page.
In the Value Added Services section, click on the drop-down list in the Link Route field and select the link route you wish to associate with this link.
Click the Update Link button. Any pages that use this link will now use the associated link route to determine the destination number for a visitor who clicks on the link.