Learn about new voice/video components for Cisco's industry-leading Catalyst® switches . These modules offer specialized voice and video functions on highly adopted multiservice platforms.

For background information about PBXs, you can purchase the book Computer Telephony: Integrating Enterprise Communications which covers the fundamentals. Or see the IP Telephony Glossary for definitions of common datacom/telecom terms.

	Best Design Practices for network designs and migration paths
A well-planned migration strategy is critical. Find out how the Cisco AVVID can enable business applications and solutions.