At N T Meaning?

AT&T Inc. ( previously American Telephone and Telegraph Company)

What is AT&T used for?

AT&T offers telecommunications, media, and technology services. Its communications segment generates the most revenue and profits. AT&T is seeking to speed up revenue growth as consumers expand the use of wireless video.

What was AT&T name before?

Today's AT&T was known as SBC Communications until late 2005, when that regional Bell company acquired its former parent, the AT&T Corp. long-distance business. Several years before that deal, the AT&T long-distance company spun off its cell phone business, AT&T Wireless, as an independent concern.