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  2. BSNL - Wikipedia

    en.wikipedia.org/wiki/Bharat_Sanchar_Nigam_Limited

    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.

  3. BSNL Mobile - Wikipedia

    en.wikipedia.org/wiki/BSNL_Mobile

    Bharat Sanchar Nigam Limited (BSNL) was incorporated on 15 September 2000. It took over the business of providing telecom services and network management from the erstwhile Central Government Departments of Telecom Services (DTS) and Telecom Operations (DTO), with effect from 1 October 2000 on a going concern basis, in early days it was known as CellOne for GSM mobile services, Excel for ...

  4. Personal unblocking key - Wikipedia

    en.wikipedia.org/wiki/Personal_unblocking_key

    If the wrong PIN is entered more than three times, the SIM card will become locked. It can be unlocked by entering the PUK code provided by the mobile service provider, [1] which may be available on the SIM card's packaging, the contract, or provided by customer service after identity verification. After the PUK code is entered, the PIN must be ...

  5. List of telecom companies in India - Wikipedia

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

    BSNL Mobile (2000) BSNL 92.60 55.72 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 0.51 3G, 2G [6] Government of India (100%) MTNL only operates in Delhi and Mumbai. [7] MTNL is in the process of being ...

  6. 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 ...

  7. GSM services - Wikipedia

    en.wikipedia.org/wiki/GSM_services

    Whenever a phone attaches, or visits, a new area, the Visitor Location Register must contact the Home Location Register to obtain the details for that phone. The current cellular location of the phone (i.e., which BTS it is at) is entered into the VLR record and will be used during a process called paging when the GSM network wishes to locate ...

  8. AOL Mail - AOL Help

    help.aol.com/products/aol-webmail

    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  9. List of mobile network operators in Asia and Oceania

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

    Mobile Network Codes in ITU region 4xx (Asia) Mobile Network Codes in ITU region 5xx (Oceania) List of LTE networks; List of mobile network operators worldwide; List of mobile network operators of the Americas; List of mobile network operators of The Caribbean; List of mobile network operators of Europe