What does it do?
This add-on will give your customers the option to contact you to register their interest in purchasing you’re out of stock products when they return to stock.
It checks stock levels and if a selected item is out of stock it will replace the add to cart button with a notify me button, once clicked will take the user to another "notify" page, that contains the product information, they then enter their details and click continue and you will receive an email from the users email making it easy to reply once back in stock.

Installs in 5 minutes.

Screenshots in package

Versions of this add on's are available here for other osCommerce versions
osCommerce Community Add-Ons