The Telephone Cases, 126 U.S. 1 (1888), were a series of U.S. court cases in the 1870s and the 1880s related to the invention of the telephone, which culminated...

too far apart to be easily heard directly. A telephone converts sound, typically and most efficiently the human voice, into electronic signals that are...

device, such as a radio telephone or a mobile telephone, or to other devices for data transmission via the public switched telephone network (PSTN), or other...

The Bell Telephone Company was the initial corporate entity from which the Bell System originated to build a continental conglomerate and monopoly in telecommunication...

history of the telephone chronicles the development of the electrical telephone, and includes a brief overview of its predecessors. The first telephone patent...

plan, known as the National Telephone Numbering Plan, which is the system for assigning telephone numbers to subscriber stations. Telephone numbers are of...

telephone call or telephone conversation (or telcon), also known as a phone call or voice call (or simply a call), is a connection over a telephone network...

the company trying to unseat Bell's telephone patent. 1888: Telephone patent court cases are confirmed by the Supreme Court, see The Telephone Cases 1889:...

Telephone numbers in Asia have the most possible prefixes of any continent on Earth: 2, 3, 6, 7, 8, 9. Below is a list of country calling codes for various...

A telephone switchboard is a device used to connect circuits of telephones to establish telephone calls between users or other switchboards. The switchboard...