BELMONT, Calif. & DALLAS--(BUSINESS WIRE)-- RingCentral, Inc. (RNG), a global leader in AI-powered business communications, and AT&T (T) today unveiled new additions to the AT&T Office@Hand portfolio.

Want to manage fixed line phones and mobile devices without the expense and support of a traditional PBX? There’s an app for that. AT&T (NYSE: T) on Monday released Office@Hand, a free app for the ...

AT&T's Office@Hand, powered by the RingCentral RingEX™ platform, has been a cornerstone of advanced communications for AT&T Business customers since its inception as one of RingCentral's pioneering ...