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AT&T Labs, Inc.
Type Private (Subsidiary of AT&T)
Founded 1988
Headquarters Austin, TX, Florham Park, NJ, & Middletown, NJ, USA
Industry Research & Development

AT&T Labs, Inc. is the research & development arm of American telecommunications giant, AT&T. It also comprises elements of the former AT&T Laboratories, SBC Laboratories and BellSouth Laboratories.



AT&T Labs, Inc. was originally founded in 1988 as Southwestern Bell Technology Resources, Inc. It had no connection to Bellcore, the R&D organization owned equally by all of the Baby Bells[1].

In 1995, Southwestern Bell Corporation renamed itself SBC Communications, Inc., resulting in the subsequent name changes of companies such as SWB TRI to SBC Technology Resources, Inc.

In 2003, SBC TRI changed its name to SBC Laboratories, Inc.[2]

Prior to its renaming to AT&T Labs, it focused on four core areas: Broadband Internet, Wireless Systems, Network Services, and Network IT.

In 2005, SBC Communications and AT&T Corp. merged to form AT&T Inc. AT&T Labs, Inc. became the new name of SBC Laboratories, Inc. upon the completion of the transaction. With the merger brought in AT&T Laboratories along with its research facilities in New Jersey.

In 2006, BellSouth Laboratories became a part of AT&T Labs. BellSouth Labs had offices in Birmingham, Alabama and Atlanta, Georgia.


They developed Korn shell (a Unix shell programming language), Graphviz, a graph visualization system, Text to Speech software, Speech Recognition software, large databases, Galax (an implementation of XQuery for XML), and other useful tools and libraries.


  1. ^ SOUTHWESTERN BELL TELEPHONE CO Annual Report (Regulation S-K, item 405) (10-K405) ITEM 1. BUSINESS
  2. ^ AT&T - News Room, June 16, 2003

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