What Is Dial-Up? How Dial-Up Modem Connections Work
Dial-up is a WAN connection technique established using a modem and an active PSTN (Public Switched Telephone Network) line. The modem dials a phone number attached to another modem at the destination end and establishes a connection capable of transferring data, using the ordinary analog telephone line as the transmission medium. Dial-up was, for decades,...
