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Telephone - Introduction | A Wisdom Archive on Telephone - Introduction | | Telephone - Introduction A selection of articles related to Telephone - Introduction | |
| We recommend this article: Telephone - Introduction - 1, and also this: Telephone - Introduction - 2. |
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More material related to Telephone can be found here:
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Telephone, Telephone - Cellular phone, Telephone - Cordless telephone, Telephone - Cordless/mobile phone, Telephone - Digital Telephony, Telephone - History, Telephone - Introduction, Telephone - Later history, Telephone - Patents, Telephone - Telephone Standards, Telephone - Telephone equipment, Telephone - Telephone equipment manufacturers, Telephone - Telephone equipment research labs, Telephone - Telephone hacking and exploitation, Telephone - Telephone operating companies, Telephone - Telephone system, organization, and structure, Telephone - Telephone technology, Telephone - Telephone terminology, Telephone - Trivia, Telephone - US-specific terminology, Telephone - VoIP Telephony, Telephone - Wireless phone systems, 431A, 610, Answering machine, Cordless telephone, Emergency telephone, Modem, Payphone, Pen register, Photophone, Telautograph, Telecommunications Device for the Deaf (TDD or TTY), Telegraph, Switchboard, Telex, Teletype, Electronic Switching System
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ARTICLES RELATED TO Telephone - Introduction | |
| | |  Telephone - Introduction: Encyclopedia II - Telephone - Introduction
There are four principal means by which an end user using a telephone handset may connect to a telephone network: a traditional fixed phone "landline", which uses dedicated physical wire connections connected to a single location; wireless and radio telephones, which use either analog or digital radio signals; satellite telephones, which utilize telecommunications satellites; and voice over internet protocol (VoIP) telephones, which use broadband internet connections.
Between end users, transmissions across a network may be carried by fiber optic cable, po ...
See also:Telephone, Telephone - Introduction, Telephone - History, Telephone - Early development, Telephone - Later history, Telephone - Digital Telephony, Telephone - Wireless phone systems, Telephone - Cordless telephone, Telephone - Cellular phone, Telephone - Cordless/mobile phone, Telephone - VoIP Telephony, Telephone - Telephone equipment research labs, Telephone - Telephone operating companies, Telephone - Trivia, Telephone - Telephone equipment, Telephone - Telephone equipment manufacturers, Telephone - Telephone technology, Telephone - Telephone system organization and structure, Telephone - Telephone hacking and exploitation, Telephone - US-specific terminology, Telephone - Telephone terminology, Telephone - Telephone Standards, Telephone - Patents Read more here: » Telephone: Encyclopedia II - Telephone - Introduction |
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| | | | Telephone - Introduction: Encyclopedia II - Telephone - VoIP Telephony Also known as Internet telephony or Voice over IP (VoIP), digital telephony is a disruptive technology that is rapidly replacing traditional telephone networks. In Japan and Korea up to 10% of subscribers, as of January 2005, have switched from analog to digital telephone service. A recent Newsweek article suggested that Internet telephony may be "the next big thing." [2]
Digital telephones use a broadband Internet connection to transmit conversations as data packets. In addition to replacing the PSTN, digital telephony is also compet ...
See also:Telephone, Telephone - Introduction, Telephone - History, Telephone - Early development, Telephone - Later history, Telephone - Digital Telephony, Telephone - Wireless phone systems, Telephone - Cordless telephone, Telephone - Cellular phone, Telephone - Cordless/mobile phone, Telephone - VoIP Telephony, Telephone - Telephone equipment research labs, Telephone - Telephone operating companies, Telephone - Trivia, Telephone - Telephone equipment, Telephone - Telephone equipment manufacturers, Telephone - Telephone technology, Telephone - Telephone system organization and structure, Telephone - Telephone hacking and exploitation, Telephone - US-specific terminology, Telephone - Telephone terminology, Telephone - Telephone Standards, Telephone - Patents Read more here: » Telephone: Encyclopedia II - Telephone - VoIP Telephony |
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| | | | Telephone - Introduction: Encyclopedia II - UK telephone numbering plan - History The telephone service in the United Kingdom was originally provided by private companies and local councils. But by 1912–13 [1] all except the telephone service of Kingston upon Hull, Yorkshire and Guernsey had been bought out by the Post Office. Post Office Telephones also operated telephone services in Jersey and the Isle of Man until 1969 when the islands took over responsibility for their own postal and telephone services.
Post Office Telephones was reorganised in 1980–81 [2] as British Telecommunications (British Te ...
See also:UK telephone numbering plan, UK telephone numbering plan - History, UK telephone numbering plan - Director system, UK telephone numbering plan - Introduction of area codes, UK telephone numbering plan - All figure dialling, UK telephone numbering plan - Calls to the Republic of Ireland, UK telephone numbering plan - Number shortage, UK telephone numbering plan - 01 for London, UK telephone numbering plan - PhONE Day, UK telephone numbering plan - Big Number Change, UK telephone numbering plan - Format, UK telephone numbering plan - Geographic numbering, UK telephone numbering plan - National Dialling Only ranges, UK telephone numbering plan - Nongeographic numbering, UK telephone numbering plan - Crown dependencies, UK telephone numbering plan - Drama numbers, UK telephone numbering plan - Special service numbers Read more here: » UK telephone numbering plan: Encyclopedia II - UK telephone numbering plan - History |
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| | | | Telephone - Introduction: Encyclopedia II - UK telephone numbering plan - Number shortage With growth in second phone lines, direct dial-in (DDI) lines, fax machines and multiple telecoms operators during the 1980s the demand for telephone numbers exceeded the available number ranges. A number of changes were made to the UK numbering plan.
UK telephone numbering plan - 01 for London.
The first major change was in May 1990, when the London 01 area code was replaced with 071 and 081. Exchanges in central London used the 071 code with the remaining exchanges using the 081 code and formed a ring around the 071 area. Although this effectively doubled the ava ...
See also:UK telephone numbering plan, UK telephone numbering plan - History, UK telephone numbering plan - Director system, UK telephone numbering plan - Introduction of area codes, UK telephone numbering plan - All figure dialling, UK telephone numbering plan - Calls to the Republic of Ireland, UK telephone numbering plan - Number shortage, UK telephone numbering plan - 01 for London, UK telephone numbering plan - PhONE Day, UK telephone numbering plan - Big Number Change, UK telephone numbering plan - Format, UK telephone numbering plan - Geographic numbering, UK telephone numbering plan - National Dialling Only ranges, UK telephone numbering plan - Nongeographic numbering, UK telephone numbering plan - Crown dependencies, UK telephone numbering plan - Drama numbers, UK telephone numbering plan - Special service numbers Read more here: » UK telephone numbering plan: Encyclopedia II - UK telephone numbering plan - Number shortage |
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| | | | Telephone - Introduction: Encyclopedia II - UK telephone numbering plan - Format Following the changes in 1995, 2000 and 2001, the numbering range in use is as follows. Note that the initial '0' of a telephone number (called the trunk prefix) is not properly considered part of the area code, and thus (for example) 023 is a "two-digit" area code.
UK telephone numbering plan - Geographic numbering.
(01xxx) xxxxxx — a four digit area code and six digit subscriber number, e.g:
01x1-xxx xxxx — the geographical number format for the larger cities, ...
See also:UK telephone numbering plan, UK telephone numbering plan - History, UK telephone numbering plan - Director system, UK telephone numbering plan - Introduction of area codes, UK telephone numbering plan - All figure dialling, UK telephone numbering plan - Calls to the Republic of Ireland, UK telephone numbering plan - Number shortage, UK telephone numbering plan - 01 for London, UK telephone numbering plan - PhONE Day, UK telephone numbering plan - Big Number Change, UK telephone numbering plan - Format, UK telephone numbering plan - Geographic numbering, UK telephone numbering plan - National Dialling Only ranges, UK telephone numbering plan - Nongeographic numbering, UK telephone numbering plan - Crown dependencies, UK telephone numbering plan - Drama numbers, UK telephone numbering plan - Special service numbers Read more here: » UK telephone numbering plan: Encyclopedia II - UK telephone numbering plan - Format |
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| | | | Telephone - Introduction: Encyclopedia II - UK telephone numbering plan - Special service numbers Short codes beginning with 1 are reserved for telecom service providers' own functionality; some of the most well-known are codes for use with Caller ID, known in the UK as "Caller Display":
The UK has two emergency numbers — the traditional 999, which is still widely used, and the EU standard 112, which can be used in all member states of the European Union. Both 999 and 112 are used to contact all emergency services: Police, Fire S ...
See also:UK telephone numbering plan, UK telephone numbering plan - History, UK telephone numbering plan - Director system, UK telephone numbering plan - Introduction of area codes, UK telephone numbering plan - All figure dialling, UK telephone numbering plan - Calls to the Republic of Ireland, UK telephone numbering plan - Number shortage, UK telephone numbering plan - 01 for London, UK telephone numbering plan - PhONE Day, UK telephone numbering plan - Big Number Change, UK telephone numbering plan - Format, UK telephone numbering plan - Geographic numbering, UK telephone numbering plan - National Dialling Only ranges, UK telephone numbering plan - Nongeographic numbering, UK telephone numbering plan - Crown dependencies, UK telephone numbering plan - Drama numbers, UK telephone numbering plan - Special service numbers Read more here: » UK telephone numbering plan: Encyclopedia II - UK telephone numbering plan - Special service numbers |
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| | | | Telephone - Introduction: Encyclopedia II - UK telephone numbering plan - Crown dependencies The Crown Dependencies of the Channel Islands (Jersey, Guernsey etc.) and the Isle of Man are not part of the UK but, as a legacy of their postal and telephone services being operated by the UK GPO until 1969, they continue to form part of the UK numbering plan, using the following ranges:
Guernsey
Jersey
Isle of Man
On the Isle of Man, both fixed and mo ...
See also:UK telephone numbering plan, UK telephone numbering plan - History, UK telephone numbering plan - Director system, UK telephone numbering plan - Introduction of area codes, UK telephone numbering plan - All figure dialling, UK telephone numbering plan - Calls to the Republic of Ireland, UK telephone numbering plan - Number shortage, UK telephone numbering plan - 01 for London, UK telephone numbering plan - PhONE Day, UK telephone numbering plan - Big Number Change, UK telephone numbering plan - Format, UK telephone numbering plan - Geographic numbering, UK telephone numbering plan - National Dialling Only ranges, UK telephone numbering plan - Nongeographic numbering, UK telephone numbering plan - Crown dependencies, UK telephone numbering plan - Drama numbers, UK telephone numbering plan - Special service numbers Read more here: » UK telephone numbering plan: Encyclopedia II - UK telephone numbering plan - Crown dependencies |
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| | | | Telephone - Introduction: Encyclopedia II - Australian telephone numbering plan - Freecall local and premium-rate numbers Australia also uses the free call area code 1800. This is copied from the U.S. prefix 1-800, but while in North America, the 1 is the long-distance prefix and 800 is the area code, 1800 in Australia is itself an area code (prior to the introduction of 8-digit numbers, the area code was 008).
Similarly, '190x' (NOTE: not to be confused with '0198' - see below !!) is the code for charging services (i.e. recorded information, competition lines, psychics, ...
See also:Australian telephone numbering plan, Australian telephone numbering plan - Present numbering plan, Australian telephone numbering plan - Previous numbering plan, Australian telephone numbering plan - International access codes, Australian telephone numbering plan - Emergency services number, Australian telephone numbering plan - Freecall local and premium-rate numbers, Australian telephone numbering plan - Other Numbers Read more here: » Australian telephone numbering plan: Encyclopedia II - Australian telephone numbering plan - Freecall local and premium-rate numbers |
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| | | | Telephone - Introduction: Encyclopedia II - Western Electric - Technological innovations In 1928, Western Electric issued the first telephone with a single handset, having both the transmitter and receiver placed thereon (previous telephones had been of the "candlestick" type). This telephone was known as the "102" phone, and had a round base; it was succeeded in 1930 by the "202" phone, which was identical except for the shape of the base, which was oval.
The next significant upgrade came in 1937 with the introduction of the "302" phone. Designed by the noted industrial designer Henry Dreyfuss, this telephone included th ...
See also:Western Electric, Western Electric - Technological innovations, Western Electric - Management innovations, Western Electric - The End of Western Electric, Western Electric - Legacy Read more here: » Western Electric: Encyclopedia II - Western Electric - Technological innovations |
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| | | | Telephone - Introduction: Encyclopedia II - Pedro II of Brazil - The Liberal Emperor Pedro II ruled Brazil for 49 years under the slogan "União e Indústria" (Union and Industry). The period saw the beginnings of industrialization, the first paved roads, the first steam-engine railway, a submarine telegraphy cable, and the introduction of the telephone.
He traveled to the United States and attended the Philadelphia Exposition of 1876, where Alexander Graham Bell showed him his new telephone. Pedro II probably was the first Brazilian to use the invention. He recited Shakespeare's classic line from Hamlet, "To be o ...
See also:Pedro II of Brazil, Pedro II of Brazil - The Regency, Pedro II of Brazil - Family Life, Pedro II of Brazil - The Liberal Emperor, Pedro II of Brazil - Books Read more here: » Pedro II of Brazil: Encyclopedia II - Pedro II of Brazil - The Liberal Emperor |
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| | | | Telephone - Introduction: Encyclopedia II - Eurobarometer - Flash Eurobarometer The Flash Eurobarometer is a recent introduction by the European Commission. It consists of interviews, conducted by telephone, which are undertaken on an ad hoc basis. A Flash EB survey can be carried out at the request of either the Commission or any other EU insitution. The main advantage of the Flash EB, as opposed to a normal Eurobarometer survey, is that it is a lot faster, providing results almost instantaneously. In addition, it is more suitable to the targeting of specific groups within the population of the EU, to find out their op ...
See also:Eurobarometer, Eurobarometer - Forerunners of Eurobarometer, Eurobarometer - Standard Eurobarometer survey, Eurobarometer - Flash Eurobarometer, Eurobarometer - External link Read more here: » Eurobarometer: Encyclopedia II - Eurobarometer - Flash Eurobarometer |
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