The procedure to disable call waiting going this way, is the same as mentioned above. It should be noted that ideally, your computer should be on it's own dedicated, separate phone line. Although it is not required. The actual phone wire itself , whether it is concerning a dedicated line or not, should run directly from the first junction box coming into the house and then directly to the computer, no other connections in between. By doing so you have eliminated Any possibility of some other device interferring with your connection and your transmission speeds.
Lightning can travel on phone lines just as easily as the power lines.
Having a battery back-up for your computer system is a Big Plus point and can help to keep your machine from crashing due to a sudden loss of electrical power. This help page is especially designed to assist the users of Network Associates , an ISP for the Parkersburg W.Va. area.