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  2. List of telecom companies in India - Wikipedia

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

    BSNL Mobile (2000) BSNL 92.26 55.67 4G, 3G, 2G Government of India (100%) BSNL does not directly operate in Delhi and Mumbai. [5] BSNL (VNO's) operates only in Tamil Nadu. Mahanagar Telephone Nigam Limited (1986) MTNL 1.90 0.49 3G, 2G [6] Government of India (100%) MTNL only operates in Delhi and Mumbai. [7] MTNL is in the process of being ...

  3. 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 6.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 ...

  4. 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]

  5. List of proofreader's marks - Wikipedia

    en.wikipedia.org/wiki/List_of_proofreader's_marks

    Each edition has a sheet of proofreader's marks that appears to be the same apart from the language used to describe the marks. The section cautions that "it should be realised that the typesetter may not understand the language in which the text is written". English; French; German; Italian; etc.

  6. Call detail record - Wikipedia

    en.wikipedia.org/wiki/Call_detail_record

    A call detail record (CDR) is a data record produced by a telephone exchange or other telecommunications equipment that documents the details of a telephone call or other telecommunications transactions (e.g., text message) that passes through that facility or device. The record contains various attributes of the call, such as time, duration ...

  7. BSNL - Wikipedia

    en.wikipedia.org/wiki/BSNL

    BSNL logo used until October 2024. Bharat Sanchar Nigam Limited is an Indian government enterprise and its history can be traced back to British India.The foundation of the telecommunications network in India was laid by the British sometime during the 19th century.

  8. Telecommunications in India - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_in_India

    The dominant players are Vi, Airtel, Jio, and BSNL/MTNL. International Roaming agreements exist between most operators and many foreign carriers. The government allowed Mobile number portability (MNP) which enables mobile telephone users to retain their mobile telephone numbers when changing from one mobile network operator to another. [ 65 ]

  9. SMS gateway - Wikipedia

    en.wikipedia.org/wiki/SMS_gateway

    Text messages can be sent from a personal computer to mobile devices via an SMS gateway or Multimedia Messaging Service (MMS) gateway, using the most popular email client programs, such as Outlook, Thunderbird, and so on. The messages must be sent in ASCII "text-only" mode. If they are sent in HTML mode or using non-ASCII characters, they will ...