RingCentral is the leader in the Web-based telecommunications industry. RingCentral provides hosted business telephone and fax services that enable professionals and small businesses to effectively manage communications and project a professional image to customers, partners and prospects. RingCentrals award-winning, feature-rich services integrate PSTN, VoIP, cellular, email, voicemail, fax, SMS and the Internet into a unified package that improves productivity, lowers costs and improves custom…