RingCentral, Inc. raised earnings guidance for the full year of 2021. For the year, the company raising total revenue range to $1.500 billion to $1.510 billion, representing annual growth of 27% to 28%. This is up from prior range of $1.475 billion to $1.490 billion and annual growth of 25% to 26%. GAAP operating margin range of negative 21.3% to negative 20.1%.