try Houston Voice http://houstonvoice.net they are located in Houston , they do IP Centrex Solutions which saves you the cost of purchasing and managing expensive equipment for your Office Phone System. We have been using them for about 7 months and haven't had any issues. They are local to Houston,...
I was looking at my line and I was using a phone splitter for my fax machine, I took it off and plugged the phone line to the modem directly into the wall and it works now, do you think it was the splitter causing the problem?