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  2. Verizon's network is back up. Here's a fix if your phone isn ...

    www.aol.com/news/verizons-network-back-heres-fix...

    However, when a phone is in SOS mode, it can still make emergency calls, such as 911, by connecting to other carriers, according to Apple. The outage began shortly after 9 a.m. E.T. on Monday and ...

  3. Contact AOL customer support

    help.aol.com/articles/account-management...

    The AOL Help site is your starting point for getting support from AOL. Support may come via phone, chat, social media or help articles, depending on the question or issue you have.

  4. Verizon confirms service is back online after a major outage

    www.aol.com/major-outage-verizon-confirms...

    Many Verizon iPhone customers complained that their phones had been stuck in “SOS” mode Monday morning, allowing only emergency calls via satellite. Verizon has 114.2 million subscribers in ...

  5. Mobile Telephone Switching Office - Wikipedia

    en.wikipedia.org/wiki/Mobile_Telephone_Switching...

    The Mobile Telephone Switching Office (MTSO) is the mobile equivalent of a PSTN Central Office. The MTSO contains the switching equipment or Mobile Switching Center (MSC) for routing mobile phone calls. It also contains the equipment for controlling the cell sites that are connected to the MSC. The systems in the MTSO are the heart of a ...

  6. Telephone exchange - Wikipedia

    en.wikipedia.org/wiki/Telephone_exchange

    When a subscriber dialed the number of a manual station, an operator at the destination office answered the call after seeing the number on an indicator, and connected the call by plugging a cord into the outgoing circuit and ringing the destination station. For example, if a dial customer calling from TAylor 4725 dialed a number served by a ...

  7. Circuit Switched Data - Wikipedia

    en.wikipedia.org/wiki/Circuit_Switched_Data

    A CSD call functions in a very similar way to a normal voice call in a GSM network. A single dedicated radio time slot is allocated between the phone and the base station . A dedicated "sub-time slot" (16 kbit/s) is allocated from the base station to the transcoder , and finally, another time slot (64 kbit/s) is allocated from the transcoder to ...

  8. AOL Help

    prod.origin.help.aol.com

    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. Verizon, AT&T customers faced ‘nationwide issue’ affecting ...

    www.aol.com/verizon-t-customers-faced-nationwide...

    Customers of AT&T and Verizon faced problems when calling between carriers Tuesday, the companies said, according to multiple reports. “The interoperability issue between carriers has been ...