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  2. Telecommunications in India - Wikipedia

    India's telecommunication network is the second largest in the world by number of telephone users (both fixed and mobile phone) with 1179.49 million subscribers as on 31 January 2021. It has one of the lowest call tariffs in the world enabled by mega telecom operators and hyper-competition among them.

  3. Microsoft Mobile - Wikipedia

    Microsoft Mobile was a subsidiary of Microsoft involved in the development and manufacturing of mobile phones.Based in Espoo, Finland, it was established in 2014 following the acquisition of Nokia's Devices and Services division by Microsoft in a deal valued at €5.4 billion, which was completed in April 2014.

  4. SIM card - Wikipedia

    A SIM card (full form Subscriber Identity Module or Subscriber Identification Module), is an integrated circuit (IC) 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).

  5. Interactive voice response - Wikipedia

    Sangeet Swara: voice-based singing platform for low literate users in India. Although this platform was for a broader audience, it saw large participation from visually impaired people. Gurgaon Idol: was a singing competition used voice system, where users could vote and sing to a number presented on radio.