RALEIGH-DURHAM, N.C. & BELMONT, Calif.–(BUSINESS WIRE)–Avaya (NYSE:AVYA) and RingCentral Inc. (NYSE:RNG) today announced global expansion and new features for Avaya Cloud Office(TM) by RingCentral(R) as customer adoption continues to grow. Now available in 13 countries1, Avaya Cloud Office is a UCaaS solution that reduces cost and complexity while empowering workforces to call and connect across any device and work environment. Nearly 72 percent of businesses have been rethinking how they work and