RingCentral, Inc. is a provider of software-as-a-service (SaaS) solutions for business communications. The Company's products are RingCentral Office, RingCentral Professional and RingCentral Fax, which it sells as monthly subscriptions to its customers. The Company's flagship product RingCentral Office is a multi-location, multi-user, enterprise-grade communications solution that enables employees to communicate through different channels and on multiple devices. RingCentral Professional is an inbound call routing subscription with additional text and fax capabilities targeting smaller deployments. RingCentral Fax is an Internet fax subscription that permits sending and receiving faxes over the Internet.