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  2. Jio - Wikipedia

    en.wikipedia.org/wiki/Jio

    Reliance Jio Infocomm Limited (d/b/a Jio) is an Indian telecommunications company and a subsidiary of Jio Platforms, headquartered in Navi Mumbai. It operates a national LTE network with coverage across all 22 telecom circles. Jio offers 5G, 4G and 4G+ services all over India. Its 6G service is in the works. [10] [11] [12] [13]

  3. List of mobile network operators in Asia and Oceania

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

    As of 1 August 2023, the total number of subscribers in the Philippines was estimated at 113.97 million, a stark contrast from the 167.9 million before the mandatory sim card registration in the country. The country's telecom regulator is the National Telecommunications Commission (NTC).

  4. Telecommunications in Sri Lanka - Wikipedia

    en.wikipedia.org/.../Telecommunications_in_Sri_Lanka

    Telecommunications in Sri Lanka commenced in 1858 after the first telegraphic circuit between Colombo and Galle was commenced. The sector continues to grow in the modern times. The sector continues to grow in the modern times.

  5. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).

  6. SIM lock - Wikipedia

    en.wikipedia.org/wiki/SIM_lock

    A SIM lock, simlock, network lock, carrier lock or (master) subsidy lock is a technical restriction built into GSM and CDMA [1] mobile phones by mobile phone manufacturers for use by service providers to restrict the use of these phones to specific countries and/or networks.

  7. SLTMobitel - Wikipedia

    en.wikipedia.org/wiki/SLTMobitel

    Sri Lanka Telecom PLC (Sinhala: ශ්‍රී ලංකා ටෙලිකොම්, romanized: Śrī Laṃkā Ṭelikom, Tamil: ஸ்ரீலங்கா டெலிகொம்), doing business as SLT-MOBITEL, is the national telecommunications services provider in Sri Lanka and one of the country's largest companies [3] with an annual turnover in excess of Rs 100 billion.

  8. Jio Platforms - Wikipedia

    en.wikipedia.org/wiki/Jio_Platforms

    Jio Platforms is an Indian multinational technology company, headquartered in Mumbai. It is a subsidiary of Reliance Industries . Established in 2019, it acts as a holding company for India's largest mobile network operator , Jio , and other digital businesses of Reliance. [ 3 ]

  9. Rechargeable calling card - Wikipedia

    en.wikipedia.org/wiki/Rechargeable_calling_card

    In reality, the rechargeable calling card is a specialised form of a prepaid or debit account. To use the phone card, the user would call an access number (which is usually a toll-free telephone number), enter the "card number" (also called the PIN) and then dial the desired telephone number. The user could add value to the card at the same ...

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