Enterprises are increasingly outsourcing voice and data network management and transformation to equipment vendors, systems integrators, and managed service providers. A knowledgeable global communications solution provider can offer the managed services needed to efficiently and cost effectively administer the enterprise network from end to end. This same managed services team, given its alignment with the company’s CIO, and its familiarity with the design and everyday operation of the network, can also lead the enterprise into the next generation of data and communications networks. Transforming a data network to accelerate traffic to centralized data centers, or a legacy voice network into a converged and unified communications network, involves new technologies, tight integration, solid security, and far more efficient. This paper addresses the benefits of working with a managed service provider with the right experience to handle the management and transformation of enterprise voice and data networks and bring powerful strategic advantages to today’s businesses.