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  2. 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 ...

  3. 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.

  4. List of mobile telephone prefixes by country - Wikipedia

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

    15 before the local number but after long distance area code for national calls (0 11 15 xxxx-xxxx) and 9 placed after the international access code excluding the 15 for international calls (+54 9 11 xxxx-xxxx). Armenia +374: 55: 8: Ucom: 95: 41: 44 77: VivaCell-MTS: 93: 94: 98: 91: Beeline Armenia

  5. Worldwide use of telegrams by country - Wikipedia

    en.wikipedia.org/wiki/Worldwide_use_of_telegrams...

    Vivacom stopped telegram service in 2005, although Bulgarian Posts since 2006 offers "Telemail", which allows the sending of short text messages, graphic documents, and hand-written messages from any post office to a fax or teletype machine on Vivacom's network. [6] Canada: Yes – Telegrams Canada still offers telegram service.

  6. Fix sending and receiving issues with third-party email apps

    help.aol.com/articles/cant-send-or-receive-email...

    If your third-party email app is having issues connecting, sending, or receiving emails, you may need to reconfigure your account or update the app. Use these steps to identify and fix the source of the problem. Troubleshoot any problems with your account

  7. 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 ...

  8. GSM services - Wikipedia

    en.wikipedia.org/wiki/GSM_services

    The messages are usually sent from mobile devices via the Short Message Service Centre using the MAP protocol. The SMSC is a central routing hubs for Short Messages. Many mobile service operators use their SMSCs as gateways to external systems, including the Internet , incoming SMS news feeds, and other mobile operators (often using the de ...

  9. 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 ...