T-Mobile USA

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T-Mobile USA is a cellular telecommunications provider and the United States based subsidiary of T-Mobile International AG, itself based in Bonn, Germany. The US company was previously known as VoiceStream Wireless or Powertel. In May 2001, VoiceStream was acquired by Deutsche Telekom for US$24 billion, and in September 2002 changed the company name nationally to T-Mobile. Headquartered in Factoria, Bellevue, Washington, T-Mobile USA is currently the fourth-largest wireless carrier in the U.S. market with 32.1 million customers as of the end of the second quarter 2008 and annual revenue of US$17.1 billion for their 2006 fiscal year.

T-Mobile USA tends to compete on price and advertises heavily to the youth market. Historically, they have also pioneered new features; they were the first U.S. carrier to launch a ringback tones service nationally (CallerTunes), video messaging and "HiFi Ringers" (ringtones which are clips of an actual song).
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AT&T

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AT&T Mobility LLC (usually branded AT&T, and formerly named Cingular Wireless LLC) is the wholly owned wireless subsidiary of AT&T Inc. AT&T Mobility is the largest mobile phone company (in terms of number of subscribers) in the United States, ahead of Verizon Wireless. AT&T Mobility has approximately 72.9 million subscribers as of the third quarter 2008.

Formerly a joint venture between SBC Communications and BellSouth, Cingular Wireless soon acquired the old AT&T Wireless; SBC later acquired the original AT&T and re-branded as "the new AT&T". Cingular became wholly-owned by the new AT&T in December 2006 as a result of AT&T’s acquisition of BellSouth.

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Vodafone UK

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Vodafone UK is a mobile telephone company, operating in United Kingdom.

Vodafone (UK) is currently the 2nd largest wireless operator in Britain, in terms of active subscribers, behind O2-UK.

Vodafone Australia

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Vodafone Australia is a mobile telephone company, a subsidiary of Vodafone Plc operating in Australia. Vodafone Australia is a non-listed, wholly owned subsidiary of Vodafone Plc (which is based in the UK) focusing solely on providing mobile telephony services.

Phone products include 3G prepaid and postpaid mobile services, on the GSM mobile network. Vodafone live! is Vodafone’s mobile Internet service.

Vodafone’s Globalstar integrated satellite/digital service covers 100 per cent of the Australian continent and up to 200 nautical miles (370 km) from the mainland. The GSM mobile service covers 93 per cent of the population. In a media release issued on the 27th May 2008, Vodafone claimed 4.031 million mobile telephone customers connected across Australia (including 0.341 million connected to MVNOs).

Mobile phone saturation in Australia is at 90.1 per cent, and mobile phones now far outnumber fixed lines. There is strong growth in pre-paid services: as of June 2005, 47% of mobile users were pre-paid, and is estimated to grow to 54.4% by 2008.

 

 

Telstra

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Telstra or Telstra Corporation (often abbreviated as Telstra Corp), (ASX:TLS, NZX: TLS) is an Australian telecommunications and media company, formerly state-owned. Telstra is the largest provider of both local and long distance telephone services, mobile services, dialup, wireless, DSL and cable internet access in Australia. Telstra is based in Melbourne, Victoria, Australia. Formerly Telecom Australia, the company was renamed in 1993 to Telstra. The company has traded domestically and internationally under the Telstra brand, even after privatisation in 2006.

Telstra Mobile is Australia’s largest mobile telephone service providers, in terms of both subscriptions and coverage. Telstra operates Australia’s largest GSM and 3G UMTS (branded as Next G) mobile telephony networks in Australia, as well as holding a 50% stake in the 3GIS Ltd 2100MHz UMTS network infrastructure, shared with Hutchison (Three). As of September 2007, Telstra had an estimated 9.3M mobile subscribers. Telstra Mobile services are available in post-paid and prepaid payment types, known as Telstra Pre-Paid Plus.

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