Vonage Holdings Corp. is a provider of cloud communications services for businesses and consumers, and consumer and communication solutions across multiple devices. The Company operates through two segments: Business and Consumer. For business services customers, the Company provides cloud-based unified communications as a service (UCaaS) solutions, consisting of integrated voice, text, video, data, collaboration, and mobile applications over its scalable session initiation protocol (SIP) based voice over Internet protocol (VoIP) network. It serves a range of the business market, including the small and medium business (SMB), mid-market and enterprise segments. Through its cloud-based middleware solution, gUnify, the Company provides customers the ability to integrate its cloud communications platform with various cloud-based productivity and customer relationship management (CRM) solutions, including Google's G Suite, Zendesk, Salesforce's Sales Cloud, Oracle and Clio.