Voice Over Internet Protocol and Convergence Training

• No formal prerequisites are necessary other than the desire to learn! The course supports both the Intro to Data, and Tele Communications courses.

During this course you will:

• Gain an understanding of the development of Tele communications
• Gain an understanding of the development of Data communications
• Learn about Packet Switched Networks

Chapter 1 - Introduction to VoIP

• Voice networks
• Data Networks
• Voice and Data convergence
• Hybrid networks
• Voice over IP
• VoIP implementations

Chapter 2 - Telephony Overview

• Analogue bandwidth
• Codecs
• Pulse Code Modulation
• Telephone numbering
• Delay & Echo
• Circuit Switched Networks
• Time Division Multiplexing
• Digital signalling

Chapter 3 - Packet Switching Overview

• Local Area Networks
• Ethernet
• Internet Protocol
• IP routing
• TCP
• TCP connections
• UDP
• Port numbering
• DHCP
• DNS

Chapter 4 - VoIP Overview

• Standards & protocols
• Speech coding & compression
• Network loading

Chapter 5 - Voice Quality and QoS Issues

• Delay & jitter
• Packet loss
• Echo cancellation
• Packet size
• IEEE 802.p/q

Chapter 6 - RTP / RTCP

• The RTP header
• RTCP packet types
• SDES
• RTSP
• Mixers and Translators

Chapter 7 - H.323

• H.323 versions & features
• The H.323 protocol stack
• H.323 Architecture
• Directory services
• H.323 conferencing
• Registration, Administration, Status
• H.323 Call establishment

Chapter 8 - Session Initiation Protocol

• The SIP protocol stack
• SIP Architecture
• SIP Addressing
• SIP Messages
• SIP Call establishment
• Session Description Protocol
• Comparison between SIP and H.323

Chapter 9 - VoIP Equipment

• The IPPBX
• VoIP Softwsitches
• The VoIP Telephone
• VoIP Applications
• Skype & MSN
• Microsoft Live Communicator
• Computer based softphones

Chapter 10 - Media Gateway Control Protocol

• Protocol stack
• Gateways
• MGCP Model
• Call establishment
• Interworking MGCP and SIP

Chapter 11 - H.248/MEGACO

• Protocol stack
• Gateways
• H.248/MEGACO Model
• Call establishment
• Interworking MEGACO and SIP

Chapter 12 - Network Access & Security

• Authentication
• Call set-up security
• Stateful Firewalls
• NAT
• Issues with Firewalls & NAT
• VoIP Firewall & NAT issues
• STUN & ICE
• Proxy Servers
• Securing voice on the LAN
• VLANs & VPN's
• IPSec with VoIP

Chapter 13 - Designing VoIP Networks

• Issues
• Key points
• Wireless and VoIP