It is most cost-effective if utilized in connection with a Flat Rate calling plan provided by your local telephone company. With Dial-up service your computer dials one of our local access numbers to connect to the Internet. As opposed to a dedicated ISDN or T1 line, this type of connection is open only when in use. Dial-up is the most commonly used among residential and small business customers. If all you want is email and occasional Internet access, dial-up may be for you.
Businesses have mission critical applications, including email that are delivered over the Internet.
All other companies offering it are resellers.