Telephone system: Fixed PSTN, GSM 900

Service running through Barnumville and to Bennington County towns east of the mountains was in the hands of the `` Gleason Telephone Company '' in 1925, but major supervision of telephone lines in Manchester was with the New England Telephone and Telegraph Company, which eventually gained all control.

One of the few production telephone DTMF keypads with all 16 keys, from an Autovon Telephone.

Until 1990, all telephone services were operated by the Gibraltar Government Telephone Department.

GTE Corporation, formerly General Telephone & Electronics Corporation ( 1959-1982 ) was the largest independent telephone company in the United States during the days of the Bell System.

* Telephone system: The service has improved recently with the increased use of digital switching equipment, but better access to the telephone system is needed in some rural areas and easier access to pay telephones is needed by the urban public.

* 1894 – New England Telephone and Telegraph installs the first battery-operated telephone switchboard in Lexington, Massachusetts.

The telephone network was maintained by the Electricity and Telephone Department till 1956.

* Telephone system: automatic telephone system

Network effects were a central theme in the arguments of Theodore Vail, the first post patent president of Bell Telephone, in gaining a monopoly on US telephone services.

The first commercial installation of a Telephone Dial accompanied the first commercial installation of a 99-line automatic telephone exchange in La Porte, Indiana in 1892, which was based on the 1891 Strowger-patent designs.

The result was Federally-created monopolies in radio for GE and the Westinghouse Corporation and in telephone systems for the American Telephone & Telegraph Company.

At about the time of the Bell Telephone Company's development of the telephone industry post-1876, early undersea telegraph links were introduced, first connecting Durban and Europe, and later connecting the country to the rest of the world.

* 1878 – Emma Nutt becomes the world's first female telephone operator when she is recruited by Alexander Graham Bell to the Boston Telephone Dispatch Company.

For the next half century, the network behind the telephone became progressively larger and much more efficient, but after the telephone dial was added the instrument itself changed little until American Telephone & Telegraph Company ( AT & T ) introduced touch-tone dialing in the 1960s.

* January 9 – New England Telephone and Telegraph installs the first battery-operated telephone switchboard in Lexington, Massachusetts.

Researchers at the AT & T subsidiary Bell Telephone Laboratories patented coaxial cable in 1929, primarily as a telephone improvement device.

* Telephone exchange, a system that connects telephone calls

* Telephone tapping, the monitoring of telephone and Internet conversations by a third party

Generically, an NID may also be called a Network Interface Unit ( NIU ), Telephone Network Interface ( TNI ), System Network Interface ( SNI ), or telephone network box.

Telephone calls can be provided digitally, but are restricted to cases in which the last mile is digital, or where the conversion between digital and analog signals takes place inside the telephone.

In U. S. telecommunications, a Wide Area Telephone Service ( WATS ) is a long distance service offering for customer dial-type telecommunications between a given customer station and stations within specified geographic rate areas employing a single telephone line between the customer user location and the serving central office.

Telephone users within a designated area may call an inward WATS telephone number without having to pay a toll charge — the recipient pays for the calls at a flat rate or other predetermined rate.

The fixed Public Switched Telephone Network relays telephone calls from land line telephones to an earth station, where they are then transmitted to a geostationary satellite.

Telephone service throughout Brunei is excellent.

Telephone service, however, is largely limited to the islands ' few towns.

; Telephone system: large system ; underwent extensive upgrading during 1990s and is reasonably modern ; Telecom Egypt, the landline monopoly, has been increasing service availability and in 2006 fixed-line density stood at 14 per 100 persons ; as of 2007 there were three mobile-cellular networks and service is expanding rapidly

* Telephone system: domestic service fair, international service good

Telephone system: international service good

Telephone service is provided by Telecom Niue, the sole provider, which services 1, 100 landlines and fixed wireless lines.

Telephone service is relatively modern and reliable.

** Telephone service goes down in the cities of Washington DC, Pittsburgh, Los Angeles and San Francisco due to a software bug.

Category: Telephone service enhanced features

Category: Telephone service enhanced features

Category: Telephone service enhanced features

RRTS uses channelized radio to provide radiotelephone services such as Basic Exchange Telephone Radio Service between a fixed subscriber location and a remote central office, private line service between a two fixed locations or interconnection between two or more central offices.

The system design used in AT & T's 1XB crossbar exchanges, which entered revenue service from 1938, developed by Bell Telephone Labs, was inspired by the Swedish design but was based on the rediscovered link principle.

* The system will lose large amounts of money when shut down: Telephone switches, factory controls, bridge and elevator controls, funds transfer and market making, automated sales and service.

Since Japan has a demand for fiber to the home, Japan is looking into tapping a fiber-optic backbone line of Nippon Telegraph and Telephone ( NTT ), a domestic backbone carrier, in order to deliver this service at cheaper prices.

In some countries, a Postal Telegraph and Telephone ( PTT ) service oversees the postal system as well as having authority over telephone and telegraph systems.

Telephone system: domestic: good service in north but sparse in south ; domestic satellite system with 12 earth stations ( 20 additional domestic earth stations are planned )

* 1985: Coinbox Telephone service introduced in Bangladesh by BTTB.

* 1995: Card Telephone service introduced in Bangladesh by BTTB and TSS.

Telephone service is provided through ETECSA, mobile telephone service is provided through the Cellular Telephone Company of Cuba ( CUBACEL ) and Caribbean Cellular ( Celulares del Caribe, C-COM ).