A VoIP-based PBX system that is hosted by a service provider over the Internet. All phone features such as auto attendant, voicemail and conference calling are handled in the cloud PBX datacenter.

In a go-to-market model that focuses on leveraging channel partners such as Avaya and Mitel, RingCentral has gained first access to an on-premises PBX install base of over 210 million of these seats.

In a go-to-market model that focuses on leveraging channel partners such as Avaya and Mitel, RingCentral has gained first access to an on-premises PBX install base of over 210 million of these seats.