A friend called me tonight and said his modem kills his phone line. New one on me. He says the modem works but he has to physically unplug the phone line from the modem to get a dial tone. He has ...

If your design needs to make a connection via a dial-up modem—a telemetry system using telephone lines, for example—and also needs to operate from low power or to spend long intervals inactive or ...

Now I know what you are thinking, it's obviously the phone line. However, I've tried two other laptops at the customer's location, and they work. The get slow connect speeds, ~33K, but they work.