One of the most important things you can do if you are dealing with a collection agency is to document every contact with them. There are also some other things you must do besides keep a journal with them.
I found a very interesting article on good way to keep track of a collection agency you can read it at: How to Document Collection Agency Abuse
This is critical if you wish to fight back against Abusive Collection Agencies. This combined with an aggressive strategy will help you deal with them a lot better.
