RNG - RingCentral unveils Avaya Cloud Office February, 03 2020 12:53 PM Ringcentral Inc. Class A RingCentral (RNG -1.4%) and Avaya Holdings (NYSE:AVYA) have updated details on Avaya Cloud Office, the offering that RingCentral has built for Avaya.More news on: Avaya Holdings Corp., RingCentral, Inc., Tech stocks news Read more ...