>Does anyone know of any add-on's to do Credit Card Authorizations? I'll looking for something that will allow my customer service agents to authorize a credit cards real-time while they still have the customer on the phone.
>
>Thanks!

Check out http://www.cybercash.com/icverify/
or http://www.cybercash.com/webauthorize/.

When we were doing a POS application, we chose ICVerify for our application.