A little over a year ago i was in the same position as you so i understand some of the question youu may have. The bast thig to do is to look in the cisco knowledge base for dsl configuration and questions. There is an abudence of information there ...

I'm a little too late to help I'm glad you figured it out. Remember when troubleshoooting to start simple and go to complex. Think of your job as proving that you are in the right and they are wrong. DSL sometimes goes down because of a variety of is...