BELMONT, Calif.--(BUSINESS WIRE)--RingCentral, Inc. (NYSE: RNG), a leading provider of cloud business communications solutions, today announced that it will report financial results for the second quarter ended June 30, 2015 after market close on Thursday, July 30, 2015. The company also announced that it will hold a conference call on the same day at 2:00 PM Pacific Time (5:00 PM Eastern Time) to discuss its quarterly financial results. The conference call can be accessed by dialing (877) 705-