RingCentral, Inc. provides solutions for business communications primarily in the United States. The Company's products include RingCentral Office, RingCentral Mobile and RingCentral Fax. It provides solutions such as auto-receptionist, flexible extension structure, multiple voicemail boxes, smart call routing, business answering rules, extension dialing, call transfers and elegant integration with Smartphones. RingCentral, Inc. is headquartered in San Mateo, California.