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  2. Mobile number portability - Wikipedia

    en.wikipedia.org/wiki/Mobile_number_portability

    sim card of the new mobile company that will cost around 15 PEN. United States: 2003.11.24 0 Free iconectiv manages the Number Portability Administration Center (NPAC), the largest number portability system in the world. Consisting of seven regional systems, the NPAC facilitates number porting across all Service Providers in the United States.

  3. Robi (company) - Wikipedia

    en.wikipedia.org/wiki/Robi_(company)

    As per government rule, the name changed to Robi Axiata PLC in 2024 as Robi is listed in Stock Market and a Public Limited Company. Robi Axiata has spectrum on GSM 900, 1800 and 2100 MHz bands. On 16 November 2016, Airtel Bangladesh was merged into Robi as a product brand of Robi, where Robi Axiata PLC is the licensee of Airtel brand only in ...

  4. Airtel India - Wikipedia

    en.wikipedia.org/wiki/Airtel_India

    Airtel launched 4G services on mobile from February 2014. The first city to get the service was Bangalore. [24] [25] Airtel has started their 4G services in Karnal and Yamunanagar in Haryana on 16 June 2015. [26] Airtel 4G trials has been started in Delhi from 18 June 2015. [27] Airtel had 95,173,000 4G subscribers as of June 2019. [28]

  5. Mobile telephone numbering in India - Wikipedia

    en.wikipedia.org/wiki/Mobile_telephone_numbering...

    In India, mobile numbers (including pagers) on GSM, WCDMA, LTE and NR networks start with either 9, 8, 7 or 1.Each telecom circle is allowed to have multiple private operators; previously it was two private + BSNL/MTNL, subsequently it changed to three private + BSNL/MTNL in GSM; however currently each telecom circle has all four operators including Reliance Jio, Bharti Airtel, Vodafone idea ...

  6. Tata Docomo - Wikipedia

    en.wikipedia.org/wiki/Tata_Docomo

    Tata Docomo was an Indian mobile network operator, a wholly owned subsidiary of Tata Teleservices deriving its name from NTT Docomo who invested in the company in 2008. In October 2017, Bharti Airtel announced a merger deal with Tata Teleservices and the acquisition of Tata Docomo. [3]

  7. List of telecom companies in India - Wikipedia

    en.wikipedia.org/wiki/List_of_telecom_companies...

    There are 4 pay-for-use DTH service providers and one free-to-air service provider (DD Free Dish) in India. [1]As of 30 September 2024, there are 59.91 million active paying DTH subscribers, in addition to the subscribers of state-owned DD Free Dish, in the country according to Telecom Regulatory Authority of India (TRAI).

  8. SIM swap scam - Wikipedia

    en.wikipedia.org/wiki/SIM_swap_scam

    A SIM swap scam (also known as port-out scam, SIM splitting, [1] simjacking, and SIM swapping) [2] is a type of account takeover fraud that generally targets a weakness in two-factor authentication and two-step verification in which the second factor or step is a text message (SMS) or call placed to a mobile telephone.

  9. MSISDN - Wikipedia

    en.wikipedia.org/wiki/MSISDN

    A SIM has a unique IMSI that does not change, while the MSISDN can change in time, i.e. different MSISDNs can be associated with the SIM. The MSISDN follows the numbering plan defined in the International Telecommunication Standard Sector recommendation E.164.