11.1 Describing Cisco VCS and Cisco Expressway Series Deployment Options – Introduction

The Cisco TelePresence Video Communication Server (VCS) Control can provide call-processing services in Cisco video-enabled deployments. When combined with Cisco VCS Expressway, it provides edge services such as firewall traversal, business-to-business communications, and secure remote access that does not require a VPN. The Cisco Expressway Series provides edge services to Cisco Unified Communications Manager deployments via Cisco Expressway Core and Cisco Expressway Edge.

In this section, we describe the roles of Cisco VCS Control, Cisco VCS Expressway, Cisco Expressway Core, and Cisco Expressway Edge in a Cisco Collaboration Systems solution, and it explain their architecture and redundancy options.