Unified Communications from Cisco combines all forms of business communications into a single, unified system that provides powerful new ways to collaborate.
Cisco Unified Communications gives companies the ability to:

• Collaborate across any workspace: Advanced collaboration tools make it possible to create high quality, secure, adaptive workspaces throughout your organization. When co-workers, partners, vendors, and customers can collaborate more effectively, organizations can quickly adapt to market changes and build competitive advantage.
• Accelerate decision making: Sophisticated unified communications capabilities such as presence, instant messaging, and rich media services help ensure that information reaches the right person right away. This dramatically improves end-user and enterprise productivity.
• Innovate across the value chain: Embedding unified communications capabilities into business applications allows organizations to transform business processes, and enjoy new levels of customer satisfaction and innovation.
• Integrate with other industry-leading applications: Cisco Unified Communications is open. It integrates with other industry-leading applications and a wide variety of endpoints, so workers can collaborate in real time using their choice of tools and applications.