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  2. Push-to-talk - Wikipedia

    en.wikipedia.org/wiki/Push-to-talk

    Push-to-talk over cellular ( PTToC) is a service option for a cellular phone network that enables subscribers to use their phones as walkie-talkies with unlimited range. A typical push-to-talk connection connects almost instantly. A significant advantage of PTT is the ability for a single person to reach an active talk group with a single ...

  3. Nextel - Wikipedia

    en.wikipedia.org/wiki/NEXTEL

    Nextel gained a significant marketing and technological advantage through its push-to-talk technology. In 2003, Verizon Wireless and Sprint PCS each launched push-to-talk features, with Cingular following in 2005. None have gained significant traction. Nextel and Verizon had entered a legal battle in June 2003 over Verizon's advertising for ...

  4. iDEN - Wikipedia

    en.wikipedia.org/wiki/IDEN

    iDEN. 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. [1] iDEN places more users in a given spectral space, compared ...

  5. Sprint Extends Push-to-Talk Capabilities to More Phones ... - AOL

    www.aol.com/news/2012-10-24-sprint-extends-push...

    Sprint Direct Connect Now, based on Qualcomm Inc.'s proven push-to-talk technology platform, effectively extends Sprint's growing push-to-talk franchise - with more than 1 million Sprint Direct ...

  6. History of mobile phones - Wikipedia

    en.wikipedia.org/wiki/History_of_mobile_phones

    A satellite phone is a type of mobile phone that connects to other phones or the telephone network by radio link through satellites orbiting the Earth instead of terrestrial cell sites, as cellphones do. Therefore, they can work in most geographic locations on the Earth's surface, as long as open sky and the line-of-sight between the phone and ...

  7. List of mobile network operators in Canada - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_network...

    As of March 2021, there are over 33 million wireless subscriptions in Canada. [1] Approximately 90% of Canadian mobile phone users subscribe to one of the four largest national telecommunication companies (Rogers Wireless, Bell Mobility, Freedom Mobile and Telus Mobility) or one of their subsidiary brands.

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