What is telephone dial-up access?

Telephone dial-up access, that is, modem dial-up access, refers to a way to access the Internet by connecting an existing telephone line to an Internet service provider (ISP) through a modem installed on a computer.

trait

Simple installation and configuration, low one-time investment;

The internet transmission rate is low and the quality is poor, but the internet cost is high;

When surfing the internet, the telephone line is occupied and it is impossible to make or receive calls.