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  2. Wi-Fi calling - Wikipedia

    en.wikipedia.org/wiki/Wi-fi_calling

    Wi-Fi calling, also called VoWiFi, [1] refers to mobile phone voice calls and data that are made over IP networks using Wi-Fi, instead of the cell towers provided by cellular networks. [2] Using this feature, compatible handsets are able to route regular cellular calls through a wireless LAN (Wi-Fi) network with broadband Internet , while ...

  3. List of mobile virtual network operators in the United States

    en.wikipedia.org/wiki/List_of_mobile_virtual...

    Yes, int'l calling and texting, but on AT&T network only [66]? AT&T network available to business customers only. [66] [67] Build Wireless T-Mobile, AT&T: Personal, Business Yes Yes Yes It is pay as you go, customers pay per GB of data as it is used. Rollover data is available. Yes, only for SMS Yes, with compatible device. Yes Yes, for an ...

  4. NumberSync - Wikipedia

    en.wikipedia.org/wiki/NumberSync

    NumberSync is an AT&T service that allows some postpaid wireless customers to use one telephone number to send and receive calls and text messages across all of their supported devices, including smartwatches. [1] The service, which was created by myaNUMBER and licensed to AT&T compares to Apple Continuity, [2] is free of charge to AT&T ...

  5. AT&T Wireless Services - Wikipedia

    en.wikipedia.org/wiki/AT&T_Wireless_Services

    The AT&T Wireless brand was retired by Cingular on April 26, 2005, six months after the close of the merger. This was per a pre-spinoff agreement with AT&T Corp. that stated that if AT&T Wireless was to be bought by a competitor, the rights to the name AT&T Wireless and the use of the AT&T name in wireless phone service would revert to AT&T Corp.

  6. AT&T customers hit by widespread cellular outages in the U.S.

    www.aol.com/news/t-verizon-t-mobile-customers...

    For premium support please call: 800-290-4726 ... that it was aware of an issue affecting AT&T wireless customers' making and ... people to refrain from calling 911 to test their service. The line ...

  7. AT&T apologizes for massive system failure but rules out ...

    www.aol.com/t-outage-latest-phone-network...

    WiFi calling isn’t the only way to avoid the phone network. 08:45, Michelle Del Rey. On Thursday, AT&T recommended that affected users get onto WiFi and use that to call people. (Instructions ...

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