Try to minimize the length of the line to your modem. If you have call waiting you need to disable it. The call waiting signals WILL disconnect you. The Call Waiting signals WILL disconnect you. The modem initialisation string tells your modem how to communicate during Internet communications.
Incorrect settings can result in poor performance, connection drop-out or failure to connect.
See Modem Initialisation Strings for more details. You have been 'idle' for too long. If our servers detect that your connection has not sent or received any data for the last 10 minutes it will disconnect you. The server assumes that you have finished using your computer and have forgotten to disconnect. To get around this you can simply get your email program to check for new messages every 8 minutes.