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A dial-up connection uses a standard phone line and analog modem to access the Internet at data transfer rates (DTR) of up to 56 Kbps.
A dial-up connection is the least expensive way to access the Internet, but it also slowest connection.
A dial-up connection is established when two or more communication devices use a public switched telephone network (PSTN) to connect to an Internet service provider (ISP).
Many remote areas depend on Internet dial-up connections because broadband and cable are rare in remote areas with low population numbers.
ISPs often provide free dial-up connections, a viable alternative for budget-conscious subscribers.