First Telephone Exchange information

A telephone exchange, also known as a telephone switch or central office, is a crucial component in the public switched telephone network (PSTN) or large...

First Telephone Exchange was a historic site located in New Haven, Connecticut, notable for being the site of the world's first commercial telephone exchange...

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

A telephone exchange name or central office name was a distinguishing and memorable name assigned to a central office. It identified the switching system...

Kingsway telephone exchange was a Cold War-era hardened telephone exchange underneath High Holborn in London. Initially built as a deep-level air-raid...

Anchor Exchange was an underground, hardened telephone exchange built in Birmingham, England. Construction commenced in 1953 under the guise of building...

the originating telephone set, which transmits the sequence of digits in the process of signaling to a telephone exchange. The exchange completes the call...

The AXE telephone exchange is a product line of circuit switched digital telephone exchanges manufactured by Ericsson, a Swedish telecom company. It was...

invents the telephone switchboard exchange (later working with Edison). 9 October 1876: Bell makes the first two-way long-distance telephone call between...

(KTS) to the private branch exchange (PBX). A business telephone system differs from an installation of several telephones with multiple central office...

A telephone prefix is the first set of digits after the country, and area codes of a telephone number. In the North American Numbering Plan countries (country...

This is a list of telephone exchanges located within Greater London. Occasionally, in areas of high demand, two exchanges are located at the same premises;...

Puskas was the first person to suggest the idea of a telephone exchange". Bell has been widely recognized as the "inventor" of the telephone outside of Italy...

today. In 1877, the American Bell Telephone Company, named after Alexander Graham Bell, opened the first telephone exchange in New Haven, Connecticut. Within...

The Nippon Telegraph and Telephone Corporation (NTT) (Corporate Number: 7010001065142) is a Japanese telecommunications holding company headquartered...

20th century. The switchboard was an essential component of a manual telephone exchange, and was operated by switchboard operators who used electrical cords...

Hungarian engineer Tivadar Puskás proposed the telephone switch, which allowed for the formation of telephone exchanges, and eventually networks. In the United...

Manchester and Stockport, the city was (arguably) the site of the UK's first telephone exchange and a service which was the forerunner of modern mobile phones...

from Gibraltar, the international call prefix is 00. Gibraltar's first telephone exchange was set up in 1886 as a private enterprise and then taken over...

initiate a telephone call through a third party without exchanging phone numbers. Originally, no phone calls could be made without first talking to the...

named the Melbourne Telephone Exchange Company, White Pages Australia was founded in 1880 as Australia's first telephone exchange. It later became known...

area codes in 1947 when the American Telephone and Telegraph Company (AT&T) designed the first comprehensive telephone numbering plan for the North American...

the District Telephone Company of New Haven. It was the founder of the first telephone exchange, as well as the world's first telephone book. Since its...

nearby exchanges often required 'local codes' to select the most direct call route, rather than dialling the STD codes. Demand for telephone lines has...

Central Telephone Exchange - 14 July 1980 Changi Telephone Exchange Geylang Telephone Exchange Hougang Telephone Exchange Jurong Telephone Exchange Jurong...

The Melbourne Telephone Exchange Company operated Australia's first telephone exchange. The exchange was located at 367 Collins Street, and commenced operation...

"corporation". Bombay Telephone was founded in 1882. The first telephone exchange in Mumbai began operations on 28 January 1882. Delhi's first telephone system was...

the first commercially successful electromechanical stepping switch telephone exchange system. It was developed by the Strowger Automatic Telephone Exchange...

dialing. It is used when initiating a telephone call to transmit the destination telephone number to a telephone exchange. On the rotary dial, the digits are...