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  2. Mode 3 (telephone) - Wikipedia

    en.wikipedia.org/wiki/Mode_3_(telephone)

    Mode 3 (telephone) In telephony, mode 3 is a method of line sharing in which the line passes through a device (the mode 3 device) to connect to other devices. [1] This enables the mode 3 device to control the line, and gain priority in need. It is a common alternative to parallel connection. For example, a dial-up computer modem is generally ...

  3. Room 641A - Wikipedia

    en.wikipedia.org/wiki/Room_641A

    Room 641A is a telecommunication interception facility operated by AT&T for the U.S. National Security Agency, as part of its warrantless surveillance program as authorized by the Patriot Act. The facility commenced operations in 2003 and its purpose was publicly revealed by AT&T technician Mark Klein in 2006.

  4. Unified Payments Interface - Wikipedia

    en.wikipedia.org/wiki/Unified_Payments_Interface

    Unified Payments Interface (UPI) Product type Instant inter-bank payment system Owner National Payments Corporation of India Produced by National Payments Corporation of India Country India Introduced 11 April 2016 ; 8 years ago (2016-04-11) Website www.upichalega.com Unified Payments Interface, commonly referred to as UPI, is an Indian instant payment system as well as protocol developed by ...

  5. AT&T Computer Systems - Wikipedia

    en.wikipedia.org/wiki/AT&T_Computer_Systems

    AT&T Computer Systems is the generic name for American Telephone & Telegraph 's unsuccessful attempt to compete in the computer business. In return for divesting the local Bell Operating Companies ( Baby Bells ), AT&T was allowed to have an unregulated division to sell computer hardware and software. The company made the 3B series computers .

  6. Why a log of redacted Signal messages shines a light on ... - AOL

    www.aol.com/finance/why-log-redacted-signal...

    In 2023, 26.7% of executives at Level 8 or above were women. That’s up from 25.2% in 2022 and 24.1% in 2021. But earlier this month, I was reminded of Amazon’s male-dominated leadership beyond ...

  7. 5 things to know about the massive AT&T network outage - AOL

    www.aol.com/5-things-know-massive-t-224358613.html

    February 22, 2024 at 7:48 PM. 5 things to know about the massive AT&T network outage. Tens of thousands of Americans had trouble making phone calls, sending texts, reaching emergency services or ...

  8. Near-field communication - Wikipedia

    en.wikipedia.org/wiki/Near-field_communication

    The company planned to achieve targets of rolling out 40 NFC phone models and 30 Mn NFC SIMs by 2014. Softcard (formerly Isis Mobile Wallet), a joint venture from Verizon Wireless, AT&T and T-Mobile, focuses on in-store payments making use of NFC technology. After doing pilots in some regions, they launched across the US.

  9. AT&T Communications - Wikipedia

    en.wikipedia.org/wiki/AT&T_Communications

    AT&T Cybersecurity. Website. www .att .com. AT&T Communications is a division of AT&T that focuses on mobile phone, broadband, fixed line telephone, home security, network security, and business services. The division houses AT&T Mobility, AT&T Internet, AT&T Phone, AT&T Long Distance, AT&T Labs, AT&T Digital Life, and AT&T Cybersecurity .