Understanding Voice Over IP Technology, International Edition

Nick Wittenberg is an educator at Seneca College of Applied Arts and Technology, in Toronto, Canada

SECTION 1: VOICE OVER IP OVERVIEW.
1. Voice over IP Overview.
What is VoIP. Residential/Small Business VoIP. Corporate VoIP. VoIP for Telephone Companies and Service Providers.
2. Why VoIP.
Converging Networks. Benefits of VoIP. Issues with VoIP. Driving VoIP.
3. How Does VoIP Work?
Call Control. Call Manager. Transmitting Voice.
4. Quality of Service.
Quality of Service (QoS) Factors. Bandwidth: Share or Restrict. Providing QoS. Packet Level Techniques for Providing QoS.
5. Is Your Network Ready for VoIP?
Power over Ethernet. The Wiring Closet. Bandwidth. Infrastructure Upgrades. Telephony State of Mind.
6. Components of the Voice over IP System.
Major Players. VoIP Products. Vendor Specific.
SECTION 2: TCP/IP, THE PLATFORM FOR VOIP.
7. Introduction to TCP/IP.
Why TCP/IP?. Who makes TCP/IP. Protocols and applications. OSI reference model.
8. Data Link Layer.
Data Link layer. Ethernet. Address Resolution Protocol. Protocol analyzers.
9. Internet Protocol.
Internet Protocol. Packet structure. ICMP.
10. IP Addressing.
IP addressing. Classful addressing scheme. Subnetting. Private IP Addresses. Classless IP Addressing.
11. TCP and UDP.
Transmission Control Protocol. Port Assignments. TCP Header. TCP States. User Datagram Protocol.
12. DHCP.
DHCP Overview. DHCP Communications.
13. DNS.
Name Resolution. Hosts. Domain Name System.
SECTION 3: VOICE OVER IP TECHNICAL DETAILS.
14. How IP Handles Voice.
TCP/IP and Voice Protocols. Real-time Transport protocol Real-time Control Protocol.
15. Voice to Digital.
Sampling, Nyquist theorem. Quantisation, companding, A-law and mu-law. Waveform Coding, G.711, G.726. Voice Coding, LPC, CELP and its variations, GSM, SPEEX, iLBC 1. More Codec Considerations - MOS, processing, licensing. VoIP Bandwidth.
16. Implementing QoS.
QoS Overview. 802.1Q/802.1p. Type of Service. Differentiated Services. Multiprotocol Label Switching (MPLS).
17. H.323.
H.323 Overview. Call Signaling and Setup. H.225, H.245.
18. SIP in Detail.
Session Initiation Protocol (SIP). SIP Architecture. Session setup. SIP Message Structure.
19. Voice Gateways.
Voice Gateways. Monolithic Gateways. FXO and FXS. Megaco.
20. Setting up a modern VoIP System.
Outside Connections for your VoIP System. Direct Inward Dialing (DID). The Dial Plan. ENUM. Traversing NAT and Firewalls.
Appendices:
Technical topics not appropriate for the body of the textbook.
Answer key.