Learning VoIP and Unified Communications

Get an overview of Voice over IP (VoIP) and unified communications, including terminals, applications, codecs, gateways, real-time protocols, and network operations.

Introduction

• Providing Voice over Internet Protocol (VoIP) telephony
• What you need to know

1. Unified Communications Overview

• Unified communications (UC) overview
• Making a call using VoIP
• Evolution of the Public Switched Telephone Network (PSTN)
• Moving from the PSTN to VoIP

2. Components and Integration

• UC components
• Unifying communication systems
• Voice signal conversion with digital codecs
• Data transportation using real-time protocols

3. Media Gateway

• Passing telephony data through gateways
• Understanding MGCP/Megaco (H.248)
• Session Initiation Protocol (SIP)
• The H.323 wrapper, H.225, and H.245
• Translators and mixers

4. Business Integration

• Plan a unified communications system
• Network assessment
• Assure quality of service
• VoIP security

Conclusion

• What's next?