Modemsite has extensive information on dial-up modems, and can help you troubleshoot and correct problems from installation to disconnections.

Modemsite began over 9 years ago as 3 pages I called 56k=v.Unreliable. Today, there's over 400 pages of modem information - publishing the site has become my full-time job. You can view the entire site ad-free with a Premium Access Subscription.   More detail...