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Telephone Numbering Plan
A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints.[1] Telephone numbers are the addresses of participants in a telephone network, reachable by a system of destination code routing. Telephone numbering plans are defined in each of administrative regions of the public switched telephone network (PSTN) and they are also present in private telephone networks. For public number systems, geographic location plays a role in the sequence of numbers assigned to each telephone subscriber. Numbering plans may follow a variety of design strategies which have often arisen from the historical evolution of individual telephone networks and local requirements. A broad division is commonly recognized, distinguishing open numbering plans and closed numbering plans[discuss]
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Mobile Phone
A mobile phone, known as a cell phone in North America, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area. The radio frequency link establishes a connection to the switching systems of a mobile phone operator, which provides access to the public switched telephone network (PSTN). Modern mobile telephone services use a cellular network architecture, and, therefore, mobile telephones are called cellular telephones or cell phones, in North America. In addition to telephony, 2000s-era mobile phones support a variety of other services, such as text messaging, MMS, email, Internet
Internet
access, short-range wireless communications (infrared, Bluetooth), business applications, video games, and digital photography
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Austria
Coordinates: 47°20′N 13°20′E / 47.333°N 13.333°E / 47.333; 13.333 Republic
Republic
of Austria Republik Österreich  (German)FlagCoat of armsAnthem: Land der Berge, Land am Strome  (German) Land of Mountains, Land by the RiverLocation of  Austria  (dark green) – in Europe  (green & dark grey) – in the European Union  (green)  –  [Legend]Capital and largest city Vienna 48°12′N 16°21′E / 48.200°N 16.350°E / 48.200; 16.350Official languages German[a][b]
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PSTN
The public switched telephone network (PSTN) is the aggregate of the world's circuit-switched telephone networks that are operated by national, regional, or local telephony operators, providing infrastructure and services for public telecommunication. The PSTN consists of telephone lines, fiber optic cables, microwave transmission links, cellular networks, communications satellites, and undersea telephone cables, all interconnected by switching centers, thus allowing most telephones to communicate with each other. Originally a network of fixed-line analog telephone systems, the PSTN is now almost entirely digital in its core network and includes mobile and other networks, as well as fixed telephones.[1] The technical operation of the PSTN adheres to the standards created by the ITU-T. These standards allow different networks in different countries to interconnect seamlessly
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Telecommunication
Telecommunication
Telecommunication
is the transmission of signs, signals, messages, words, writings, images and sounds or information of any nature by wire, radio, optical or other electromagnetic systems.[1][2] Telecommunication
Telecommunication
occurs when the exchange of information between communication participants includes the use of technology. It is transmitted either electrically over physiical media, such as cables, or via electromagnetic radiation.[3][4][5][6][7][8] Such transmission paths are often divided into communication channels which afford the advantages of multiplexing
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Operator Toll Dialing
Operator may refer to:Contents1 Music 2 Computers 3 Science 4 Fiction 5 Other uses 6 Mathematics 7 See alsoMusic[edit] Operator (band), an American hard rock band Operators, a synth pop band led by Dan Boeckner "Operator" (Motown song), a 1965 song recorded by Mary Wells and Brenda Holloway " Operator (That's Not the Way It Feels)", a 1972 song by Jim Croce from You Don't Mess Around with Jim "Operator" (Midnight Star song) (1984) " Op
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Communications In Brazil
Brazil
Brazil
has both modern technologies in the center-south portion, counting with LTE, 3G HSPA, DSL
DSL
ISDB
ISDB
based Digital TV. Other areas of the country, particularly the North and Northeast regions, lack even basic analog PSTN telephone lines. This is a problem that the government is trying to solve by linking the liberation of new technologies such as WiMax
WiMax
and FTTH) only tied with compromises on extension of the service to less populated regions.Contents1 Telephone
Telephone
system1.1 Landline 1.2 Mobile2 International backbones2.1 Submarine cables 2.2 Satellite connections3 Television and radio 4 Internet 5 See also 6 References Telephone
Telephone
system[edit] Landline[edit] The Brazilian landline sector is fully open to competition and continues to attract operators
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Australia
Coordinates: 25°S 133°E / 25°S 133°E / -25; 133Commonwealth of AustraliaFlagCoat of armsAnthem: "Advance Australia
Australia
Fair"[N 1]Capital Canberra 35°18′29″S 149°07′28″E / 35.30806°S 149.12444°E / -35.30806; 149.12444Largest city SydneyNational language English[N 2]DemonymAustralian Aussie
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Telephone Numbers In New Zealand
The New Zealand
New Zealand
telephone numbering plan describes the allocation of telephone numbers in New Zealand. The Pitcairn Islands
Pitcairn Islands
also use the plan.Contents1 History1.1 Subscriber toll dialling (the historic codes) 1.2 Reorganisation2 International number lengths 3 Present numbering plan3.1 Landlines 3.2 Mobile phones 3.3 Other numbers3.3.1 Toll-free and premium-rate 3.3.2 Service numbers4 Other useful numbers 5 Fictional numbers 6 See also 7 References 8 External linksHistory[edit] Until the 1970s, New Zealand's telephone network consisted primarily of step-by-step telephone exchanges, or a mixture of rotary and step-by-step exchanges in the main centres. A few rural areas were still served by manual exchanges. Crossbar exchanges were installed from the 1970s, and electronic exchanges from 1982
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Telephone Numbers In Argentina
In Argentina, area codes are two, three, or four digits long (after the initial zero). Local customer numbers are six to eight figures long
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Japan
Coordinates: 35°N 136°E / 35°N 136°E / 35; 136Japan 日本国 Nippon-koku or Nihon-kokuFlagImperial SealAnthem: "Kimigayo" 君が代"His Imperial Majesty's Reign"[2][3] Government
Government
Seal of JapanGo-Shichi no Kiri (五七桐)Area controlled by Japan
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Communications In Syria
The Syrian Ministry of Communications retains governmental authority over the internet in Syria.[1] Prior to the Syrian civil war, telecommunications in Syria
Syria
were slowly moving towards liberalization, with a number of licenses awarded and services launched in the Internet
Internet
service provision market. The initiative reflected the government's change in attitude towards liberalization, following its promise to the European Union
European Union
to liberalize markets by 2010
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Subscriber Identity Module
A subscriber identity module or subscriber identification module (SIM) is an integrated circuit that is intended to securely store the international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephony devices (such as mobile phones and computers). It is also possible to store contact information on many SIM cards. SIM cards are always used on GSM
GSM
phones; for CDMA
CDMA
phones, they are only needed for newer LTE-capable handsets. SIM cards can also be used in satellite phones, computers, or cameras. The SIM circuit is part of the function of a universal integrated circuit card (UICC) physical smart card, which is usually made of PVC with embedded contacts and semiconductors. "SIM cards" are transferable between different mobile devices
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Communications In Peru
Telecommunications in Peru
Peru
include radio and television, fixed and mobile telephones, and the Internet.Contents1 Regulation 2 Radio and television 3 Telephones 4 Internet4.1 Internet
Internet
censorship and surveillance5 See also 6 References 7 External linksRegulation[edit] The technical regulator of communications in Peru
Peru
is the Presidency of the Minister Council, through the Organismo Supervisor de la Inversión Privada en Telecomunicaciones (OSIPTEL) in English, Supervisory Agency for Private Investment in Telecommunications. The Ministry of Transport and Communications grants concessions, authorizations, permits and licenses.[1] The resale of telecommunication services is permitted as a regulated activity. Voice Over IP
Voice Over IP
(VoIP) services are not expressly regulated, but may need a concession or a registry depending on the type of service provided
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Telephone Numbers In Uruguay
Uruguay's calling code is +598. Since 2010, national long distance calling was eliminated, thus there are no area codes in each city.Contents1 Landline telephony1.1 National Numbering Plan1.1.1 Montevideo
Montevideo
and metropolitan area 1.1.2 Outside Montevideo 1.1.3 Calling from other countries1.1.3.1 Examples1.2 Former area codes and corresponding new telephone numbers2 Mobile telephony 3 External linksLandline telephony[edit] ANTEL
ANTEL
(Spanish abbreviation for National Administration of Telecommunications) is Uruguay's state-owned company for telecommunications. Previously in Uruguay, phone numbers used to have between 4 and 7 digits. To make a local phone call, you only had to dial those digits. To make a call between two cities from different departments, you had to dial zero, plus area code, plus phone number. As from August 29, 2010, all phone numbers have 8 digits, according to the new National Numbering Plan
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Subscriber Trunk Dialling
Subscriber trunk dialling
Subscriber trunk dialling
(STD, also known as subscriber toll dialling) is a telephone system allowing subscribers to dial trunk calls without operator assistance. The term was introduced when it first became possible for long-distance calls to be dialled directly, and is now rarely used where calls to any destination can be dialled.Contents1 Terminology 2 Explanation 3 History3.1 Numbering plan 3.2 Calls from Ireland4 See also 5 References 6 External linksTerminology[edit] The term subscriber trunk dialling is used in the United Kingdom, the Republic of Ireland, Australia, India
India
and South East Asia. The corresponding term in the North American Numbering Plan, e.g
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