This IDC white paper analyzes the transformation of voice from legacy solutions to an Internet Protocol (IP)–based platform where voice over IP (VoIP) is an essential application and critical building block for unified communications (UC).

Learn how IP provides a foundation for moving to a future converged solution, with Session Initiation Protocol (SIP) connecting VoIP transport services with applications and becoming the key enabler that allows applications to integrate with the network. This paper also outlines the challenges enterprises face in migrating to an integrated, all-IP environment and presents strategies they should consider to ensure that the transformation to UC succeeds in the context of their own business objectives and existing IT infrastructure.