Using a regular telephone line for 24X7 access to the Internet, however, can be costly and frustrating to potential customers trying to reach you via phone. Add a dedicated line for this activity. The best telephone lines have a maximum rate of 56 kbps. At this speed you will loose more customers then you will gain. Telephone lines are fine if all you need to do is access your remote web site for occasional changes.
Cable modems offer higher throughput than telephone lines.
In the short term they can be a good alternative. Yet, as more people in your neighborhood jump on cable modem s shared technology, your Internet service with begin to slow down dramatically. As high speed DSL telephone service becomes more readily available, it will be the best alternative for 24x7 Internet access. It will also come in handy as your need for downloading and updating web site information increases. The speeds range from 314 kbs to 9 Mbps.