The document is a presentation overviewing Cisco's Unified IP Phone portfolio for enterprise, mid-market, and branch office use. It provides a modular structure covering Cisco's 9900, 8900, 7900, 6900, and 3900 phone series. The presentation introduces Cisco's strategic direction in collaboration solutions and architecture. It then summarizes the features and benefits of Cisco's Unified IP Phone portfolio for rich interactions, virtual desktop integration, flexibility, and energy efficiency.