Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
The telephone network was originally designed in a star configuration with each customer connected by a dedicated line — a twisted pair of copper wires — to a central office facility. This design was considered an efficient and secure means to enable all customers connected to the telephone network to make voice calls to any other customer on the network.
- ↑ Telecommunications: Technological and Regulatory Factors Affecting Consumer Choice of Internet Providers, at 13.