The document discusses unified communications and the challenges of implementing a unified communications solution for an enterprise. It notes that while unified communications have been advancing, many enterprises remain resistant to adopting these solutions. It also discusses the various options for an enterprise's unified communications infrastructure, including keeping it internal, outsourcing, using a hosting solution, cloud computing, or a hybrid approach. The conclusion emphasizes the importance of choosing a solution that meets the specific needs and realities of an organization and its users.