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  2. BSNL - Wikipedia

    en.wikipedia.org/wiki/BSNL

    BSNL started 4G service in some parts of India such as Bihar, Jharkhand, and Uttar Pradesh in January 2019, but it is limited to a few cities and towns. Most of its 4G services are currently available in Southern India. However, BSNL is trying to launch pan India 4G services up to September 2022.

  3. Receiving unexpected international calls? What you need ... - AOL

    www.aol.com/receiving-unexpected-international...

    Receiving unexpected international calls can be a source of anxiety for many individuals. Whether it’s a single ring from an unknown number or multiple missed calls from abroad, the uncertainty ...

  4. 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 ...

  5. List of mobile telephone prefixes by country - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_telephone...

    Exchanges may service on mobile devices; local numbers are portable between wired and wireless carriers. While area code 600 has been established as a non-geographic code that can be used by mobile phones, the only significant mobile usage has been for satellite phone service in remote regions.

  6. List of mobile network operators in Asia and Oceania

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

    BSNL. GSM – 900/1800 MHz , ... Dialog discontinued its 3G service on 15 November 2023. ... ACES International 4: WanTok: 2300 MHz TDD-LTE:

  7. Mahanagar Telephone Nigam Limited - Wikipedia

    en.wikipedia.org/wiki/Mahanagar_Telephone_Nigam...

    On 23 October 2019, the Government of India announced revival package for BSNL and MTNL which includes monetising assets, raising funds, TD-LTE spectrum, voluntary retirement scheme for employees. Apart from package, Ministry of Communications decided to merge of MTNL with Bharat Sanchar Nigam Limited. Pending this, MTNL will be subsidiary of BSNL.

  8. Cell Broadcast - Wikipedia

    en.wikipedia.org/wiki/Cell_Broadcast

    Cell Broadcast messaging was first demonstrated in Paris in 1997. Some mobile operators used Cell Broadcast for communicating the area code of the antenna cell to the mobile user (via channel 050), [5] for nationwide or citywide alerting, weather reports, mass messaging, location-based news, etc. Cell broadcast has been widely deployed since 2008 by major Asian, US, Canadian, South American ...

  9. International telecommunications routes - Wikipedia

    en.wikipedia.org/wiki/International...

    On the sending side it looks like an international call, but on the receiving side it looks like a domestic call and settlement is done as if it was a local call. Re-origination or Refiling is the name given to the practice of substituting a new calling line identity ( CLI ) for the call at some point in its journey.