hi i have a fax machine with a telephone attached to it also a mobile house phone and when the phones rings as both ring at the same time the computer closes down this could last from 10 minutes to 1 hour before i can get the internet back on line again i also have 2 telephone lines to two televisions for sky tv as well as a line going to the modem all the telephone lines are connected into 3 filters that is connected into each other to the man telephone socket any one know what is causing the problem as the internet is fine only when some one rings the house or send a fax or phones out do i have this problem ,cheers