2-day Voice over IP workshop

Introduction and Overview
Course goals and objectives
Business motivation for VoIP
Communications convergence
Instructor and attendee introductions

Telephony Basics
Typical Customer Premises Equipment
        CPE Overview
                Single analog phone
                Multiple analog phones with a PBX
                Digital phones with a PBX
        Residential/SOHO CPE
        Small Business CPE (KSUs)
        Large Business CPE (PBXs)
Typical current Telco's infrastructure
        Analog trunks
        Digital trunk hierarchies
                T-carrier
                ITU-T hierarchy
                ISDN BRI and PRI
        CSUs and CSU/DSUs
        Carrier switches
                Class 5
                Class 4
        DACSes and COs
Voice transmission techniques and addressing
        Analog Transmission
        Digital Transmission
        E.164 addresses

Data Networks and IP Basics
What is a Data Network?
        Definition of "Data"
        The World's Largest Data Network
        Building Blocks of the Internet
        IP Telephony over the Internet
Corporate Data Networks
        Typical Corporate Data Network
        Components of a Typical Corporate Data Network
        Paradigm shift: IP Telephony on Corporate Data Networks
Carrier's Data Networks
        Tier 1 Provider Data Network Components
        Optical Hierarchies
        Use of Voice Network Facilities for Data
Transmission Protocols & Addressing
        TCP/IP Protocol Stack
        Layer 3 IP Addressing
        Packet Routing
                Dynamic
                Static
Differences Between Voice and Data Networks
        Differences Overview
        Circuit Switching
        Packet Switching
        Addressing Comparisons
        Routing Comparisons
Initial Voice/Data Integration Scenario
Voice/IP Integration Challenges

VoIP Implementation Scenarios
Toll Bypass - Why Do We Need VoIP?
       Traditional Toll Bypass: Tie Lines
       VoIP Toll Bypass
              IP or analog phones
              Voice-enabled routers
              Point-to-point WAN links
VoIP Service by ISPs
       ISP Internet Model
       ISP Model: Future Possibilities
       ISP VoIP Model
              Voice access servers (gateways)
              Gatekeepers
              Aggregation routers
              IP backbone (T3/E3, Sonet/SDH)
VoIP on the Enterprise
       Motivation for VoIP on the Enterprise
       Enterprise LAN/WAN VoIP Scenario
       Enterprise LAN VoIP Equipment
              IP phones
              VoIP-enabled LAN switches
              Software-based PBX
              High-speed LAN cabling
VoIP in Carrier Environments
       Layer 2 WAN Switches
       Layer 3 WAN Switches

VoIP Deployment Requirements
Business Requirements
       Defining the Business Case
       ROI analysis
Design Requirements
       Understanding the Design Process
              User requirements
              Design document
       Sources of Design Expertise
Implementation Requirements
       Before VoIP Implementation Begins
       Sources of Implementation Expertise
       Infrastructure requirements
              Switches
              Routers
              Bandwidth
              Software
              Power
       Installation and Performance Verification

VoIP Protocols and Standards
H.323 "umbrella"
       H.323 "umbrella" overview
       Call signaling and control
       Audio Codecs
       Video Codecs
       Vendor support for H.323
       Architectural components and overview
       Relationship to TCP/IP
       H.323 Open Project
SIP
       SIP Overview
       SIP Functionality
       SIP Vendor Support
       Relationship to TCP/IP
       SIP vs. H.323
H.248/Megaco
       Megaco/H.248 Overview
       Vendor Support
       Relationship to TCP/IP
MGCP
       MGCP Overview
       Vendor Support Examples
       Relationship to TCP/IP

VoIP's Success Factors
Voice quality factors
       Choosing appropriate compression algorithm (G.711, G.723.1, G.729)
       Provisioning sufficient bandwidth
       Ensuring the processing requirements
Network Availability
       Multiple paths
       Redundant devices
       Redundancy protocols (Cisco's HSRP)
Overcoming additional common voice problems
       Echo
       Jitter
       End-to-end delay
Price vs. Performance Considerations

Demo/Workshop
Demonstrate VoIP equipment
Demonstrate VoIP configuration process

Conclusion
What the future holds for VoIP
Course evaluation and feedback

Appendix: Acronyms

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