CCNP Collaboration Cloud and Edge Solutions CLCEI 300-820 Official Cert Guide

Chapter 1

Introduction to the Cisco Expressway Solution

This chapter covers the following topics:

• VCS to Expressway Migration: Provides a brief history of the evolution of the Expressway and an introduction to the key functions of this product.

• SIP on the Expressway: Provides a brief introduction to the SIP protocol and how it is used in a Cisco Expressway environment.

• H.323 on the Expressway: Provides a brief introduction to the H.323 standard and how it is used in a Cisco Expressway environment.

• Describe Expressway Licensing: Identifies the different licensing options available on the Cisco Expressway and how these licenses can be consumed.

When it comes to call control, most people think about the Cisco Unified Communications Manager (Unified ...