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2. U-verse TV - Wikipedia

   en.wikipedia.org/wiki/U-verse_TV

   U-verse TV. U-verse TV is an internet protocol television (IPTV) service operated by DirecTV. Launched on June 26, 2006, U-verse was originally a triple play package that included broadband Internet (now AT&T Internet or AT&T Fiber), IP telephone (now AT&T Phone), and IPTV (U-verse TV) services in 22 states. [1][2] On February 25, 2021, AT&T ...

3. AT&T Communications - Wikipedia

   en.wikipedia.org/wiki/AT&T_Communications

   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.

4. Voice over IP - Wikipedia

   en.wikipedia.org/wiki/Voice_over_IP

   Voice over Internet Protocol (VoIP), [a] also called IP telephony, is a method and group of technologies for voice calls for the delivery of voice communication sessions over Internet Protocol (IP) networks, [2] such as the Internet. The broader terms Internet telephony, broadband telephony, and broadband phone service specifically refer to the ...

5. AT&T - Wikipedia

   en.wikipedia.org/wiki/AT&T

   AT&T Inc., simply known as AT&T, an abbreviation for its former name, the American Telephone and Telegraph Company, is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. [4] It is the world's third-largest telecommunications company by revenue and the second-largest wireless ...

6. T-carrier - Wikipedia

   en.wikipedia.org/wiki/T-carrier

   The T-carrier is a hardware specification for carrying multiple time-division multiplexed (TDM) telecommunications channels over a single four-wire transmission circuit. It was developed by AT&T at Bell Laboratories ca. 1957 and first employed by 1962 for long-haul pulse-code modulation (PCM) digital voice transmission with the D1 channel bank.

7. DirecTV Stream - Wikipedia

   en.wikipedia.org/wiki/DirecTV_Stream

   DirecTV Stream. DirecTV Stream (formerly DirecTV Now and AT&T TV) is a family of streaming multichannel television services offered in the United States by DirecTV. The brand encompasses three separate services sharing similar infrastructure and software. [1][2][3] DirecTV Stream, launched nationally as AT&T TV in March 2020, is the streaming ...

8. AT&T Mobility - Wikipedia

   en.wikipedia.org/wiki/AT&T_Mobility

   AT&T Mobility, LLC, also known as AT&T Wireless and marketed as simply AT&T, is an American telecommunications company. It is a wholly owned subsidiary of AT&T Inc. and provides wireless services in the United States. AT&T Mobility is the second largest wireless carrier in the United States, with 114.5 million subscribers as of March 31, 2024. [3]

9. Voice over LTE - Wikipedia

   en.wikipedia.org/wiki/Voice_over_LTE

   VoLTE calling. Voice over Long-Term Evolution (acronym VoLTE) is an LTE high-speed wireless communication standard for voice calls and SMS using mobile phones and data terminals. [1][2] VoLTE has up to three times more voice and data capacity than older 3G UMTS and up to six times more than 2G GSM. It uses less bandwidth because VoLTE's packet ...