The first commercially successful sound motion picture was Warner Bros.' Don Juan in 1926.
AT&T Call Detail Data is a cross-services capability that will provide business customers with access to detailed information on each call made or received by users of AT&T switched service
This paper discusses AT&T plans to introduce CCITT System No. 7 for international service. Since System No.
In October 1987, AT&T announced the start of the first customer trial using the ISDN Primary Rate Interface between customer premises equipment and the AT&T Network.
From its early beginnings 150 years ago, facsimile transmission has had a slow growth until the late 1970s.
The introduction of new facsimile (fax) technology has made communication by this medium more widespread than ever.
In January 1976, AT&T Bell Laboratories conducted a fiber system experiment in Atlanta to evaluate lightwave technology in an environment approximating field conditions and to provide a system
The General Services Administration (GSA) of the United States government issued a Request for Proposal for bids on all inner- city telecommunications traffic needs for the agencies of the US Gover
Text: AT&T high-voltage integrated offer system designers flexible, rugger, reliable and low cost alternatives to electromechanical relays and discrete high-voltage transistors.