Although the on-premise model with its control and security advantages will dominate the enterprise communications market in the immediate future, the revenue share of hosted services is poised to increase significantly, according to Frost & Sullivan. Hosted communications services present an ever more popular alternative for deploying IP telephony and unified communications applications.

Mobile VoIP is no longer just hype, but has become a credible threat to traditional voice revenues, says Frost & Sullivan. According to the research group, an ambitious group of mobile VoIP start-up companies are creating a paradigm shift in the way users communicate with each other, with voice services moving to a true internet era of Telco 2.0.