1. GSM

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  2. About GSM

    Global System for Mobile communications (GSM: originally from Groupe Spécial Mobile) is the most popular standard for mobile phones in the world. Its promoter, the GSM Association, estimates that 82% of the global mobile market uses the standard. GSM is used by over 2 billion people across more than 212 countries and territories.
    Its ubiquity makes international roaming very common between mobile phone operators, enabling subscribers to use their phones in many parts of the world. GSM differs from its predecessors in that both signalling and speech channels are digital call quality, and thus is considered a second generation (2G) mobile phone system. This has also meant that data communication was easy to build into the system.

    The ubiquity of the GSM standard has been advantageous to both consumers (who benefit from the ability to roam and switch carriers without switching phones) and also to network operators (who can choose equipment from any of the many vendors implementing GSM). GSM also pioneered a low-cost alternative to voice calls, the Short message service (SMS, also called "text messaging"), which is now supported on other mobile standards as well.

    Newer versions of the standard were backward-compatible with the original GSM phones. For example, Release '97 of the standard added packet data capabilities, by means of General Packet Radio Service (GPRS). Release '99 introduced higher speed data transmission using Enhanced Data Rates for GSM Evolution (EDGE).

  3. Quotes about GSM

    1. Bundling handsets is a core competence of our CDMA service. Undoubtedly, we will bring bundled handsets to GSM in 2009.
      Anil Ambani in In news: RCom rolls Gsm, It hiring
    2. Leading consumer electronics companies and business device manufacturers are selecting AT&T because we offer advantages our U.S. competitors cannot: the nation's fastest mobile broadband network, the GSM world standard for wireless technology – which allows customers to use their wireless devices for voice in more than 215 countries and data services in more than 185 through roaming agreements – and the nation's largest Wi-Fi network.
      In AT&T Adds Nearly 900,000 Connected Devices to Network in 2Q; Now Services Nearly 6.7 Million Connected Devices
    3. Zen Mobile has always strived to offer products that create more value for its customers. With the launch of India's first triple GSM SIM mobile phone we have taken a step further in offering convenience and utility at an unrivaled price to our customers.
      In Zen Mobile Launched M111 a Tri Sim Gsm Phone