Dial up Internet service providers, or ISPs, are mostly organizations, companies or business that provides people who want access to the information superhighway the chance to do so. People who use dial up ISP are provided immediate access to the Internet through their own telephone lines. All you need is a computer, a telephone line and a modem that serves as the medium and channel between the phone line and the computer. Dial up ISPs provides users Internet connections that are around 56 kilobytes per second, or less.

Dial up ISPs also provide other services