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Though Guam is a United States territory, some U.S. long-distance plans and courier services list Guam as an international location. As a result of Guam's being added to the North American Numbering Plan (NANP) in 1997, calls made to the U.S., Canada, or other participating countries from Guam only require the caller to dial a 1 followed by the area code.
The Global System for Mobile Communications (GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation (2G) digital cellular networks used by mobile devices such as mobile phones and tablets. GSM is also a trade mark owned by the GSM Association. GSM may also refer to the Full Rate voice codec.
Integrated Digital Enhanced Network (iDEN) is a mobile telecommunications technology, developed by Motorola, which provides its users the benefits of a trunked radio and a cellular telephone. It was called the first mobile social network by many technology industry analysts. iDEN places more users in a given spectral space, compared to analog cellular and two-way radio systems, by using speech compression and time-division multiple access (TDMA).
A SIMcard is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices. Technically the actual physical card is known as a universal integrated circuit card (UICC); this smart card is usually made of PVC with embedded contacts and semiconductors, with the SIM as its primary component. In practice the term "SIM card" is still used to refer to the entire unit and not simply the IC.
MTS, headquartered in Moscow, is the largest mobile network operator in Russia, operating on GSM, UMTS and LTE standards. Apart from cellular network, the company also offers local telephone service, broadband, mobile television, cable television, satellite television and digital television.
Beeline, formerly Bee Line GSM is a telecommunications brand by company PJSC VimpelCom, founded in Russia.
Oi, formerly known as Telemar, is the largest fixed telephone operator and the fourth mobile telephone operator in Brazil, being the third largest telecommunication company in Latin America. It is headquartered in Rio de Janeiro.
Twig Com Ltd. is a mobile telecommunications company founded in 2011 and headquartered in Salo, Finland. The company develops and manufactures personal safety and GPS tracking products and software for worker protection, telecare, and asset tracking applications. The operation was originally started in 1988 as mobile phone manufacturer Benefon who began research on GPS safety phones in 1995 and launched the first commercial GPS/GSM safety phone, the Benefon Track, in 2000. Twig Com Ltd acquired Benefon's Twig business from GeoSentric OYJ through a purchase agreement signed in January 2011.
Cellular One is the trademarked brand name that licenses services used by several cellular service providers in the United States. The brand was sold to Trilogy Partners by AT&T in 2008 shortly after AT&T had completed its acquisition of Dobson Communications. Cellular One was originally the trade name of one of the first mobile telephone service providers.
BTC is the primary telecommunications provider for the Bahamas, headquartered in Nassau, New Providence. It is partly government owned and offers telephone, internet and wireless services.
Kyocera Communications, Inc. is an American manufacturer of mobile phones for wireless service providers in the United States and Canada. Kyocera Communications, Inc. is a wholly owned subsidiary of Kyocera Corporation, which also manufactures mobile phones for the Japanese wireless market under various brands.
América Móvil, S.A.B. de C.V. is a Mexican telecommunications corporation headquartered in Mexico City, Mexico. It is the 7th largest mobile network operator in the world in terms of equity subscribers, as well as one of the largest corporations in the world. América Móvil is a Forbes Global 2000 company. As of Q1, 2019, América Móvil had 277.4 million wireless subscribers, and 84.3 million fixed revenue generating units.
Warid Telecom International was an Emirati telecommunications company that was active in Bangladesh, Georgia, Congo, Pakistan, and Uganda before its divestment.
Maroc Telecom is the main telecommunications company in Morocco. Currently employing around 11,178 employees, it is the largest telecommunications network in the country with 8 regional delegations and 220 offices present across Morocco. The company is listed on both the Casablanca Stock Exchange and Euronext Paris.
An SMS gateway or MMS gateway allows a computer to send or receive text messages in the form of Short Message Service (SMS) or Multimedia Messaging Service (MMS) transmissions between local and/or international telecommunications networks. In most cases, SMS and MMS are eventually routed to a mobile phone through a wireless carrier. SMS gateways are commonly used as a method for person-to-person to device-to-person communications. Many SMS gateways support content and media conversions from email, push, voice, and other formats.
Empresa Nacional de Telecomunicaciones S.A. is the largest Chilean telecommunications company. The company is known for the 127 meters (417 ft) high Torre Entel that rises above central Santiago and constitutes one of the city's landmarks.
Truphone is a GSMA-accredited global mobile network that operates its service internationally. The company is headquartered in London and has offices in ten other countries, being spread across four continents.
Phone cloning is the copying of identity from one cellular device to another.
GO p.l.c. is a Maltese integrated telecommunications company. It is a quadruple play provider that offers local and long distance telephone services, wireless services, digital terrestrial television, DSL and Fiber to the home internet access. GO is based in Marsa, Malta.
Shentel, officially Shenandoah Telecommunications Company, is a publicly traded telecommunications company headquartered in Edinburg, Virginia. It operates a digital wireless and wireline network in rural Virginia, West Virginia, Maryland and Pennsylvania.
References
- ↑ IT&E to acquire iCONNECT’s telecommunication assets uniting two telecommunications innovators in the region - Press Release
- ↑ "PUSH-TO-TALK". Choice Phone LLC. Retrieved 2016-01-12.
- ↑ "Buddy GSM". Choice Phone LLC. Retrieved 2016-01-12.
- ↑ "iConnect Advanced". Choice Phone LLC. Retrieved 2016-01-12.
- ↑ "LTE True 4G". Choice Phone LLC. Retrieved 2016-01-12.
