At the request of my wife, I switched from a good company that gave me excellent service, to a well known company (T-Mobile), that their only service is on the internet, and never solves the problems. Everyday, and several times a day, the phone has no dial tone. When I call, Technical Support tells me to disconnect the power cord, wait for 30 seconds, then connect it again, and in a few minutes, I get service again. Imagine doing this several times a day, after you try to use the phone and find out not only that you did not have a dial tone... read full review »