|
Voice over IP (VOIP) and IP Telephony
Who Should Attend
Telecom managers, voice administrators, Internet administrators, investment bankers, intranet managers & administrators, network designers, carrier, ISP and vendor personnel.
What You Will Learn
- Explore the enabling technologies, standards, and applications for IP Telephony and voice over packet networks.
- Understand voice digitization over IP networks and review important standards such as SIP, H.323 and MGCP.
- Analyze the advantages and disadvantages of circuit-switched vs. packet-switched voice networks.
- Explore the true potential of multimedia applications, combining voice, data, and video.
- Review the business applications that justify voice-over technologies.
- Understand the limitations of voice over technologies, and avoid costly mistakes.
- Evaluate IP-PBX and IP phone features and products.
- Examine real world implementation, security and troubleshooting issues.
- Learn to tune networks and improve voice over performance.
- See how Voice over WLANs and DECT will work and their limitations.
- Review products and services from companies such as Cisco, Nortel, 3Com, Avaya, Siemens, ShoreTel and Alcatel.
Course Details
- I. Voice over Data Networks
- The VOIP/IPT Decision
- Digital Voice Technologies
- Voice over Packet Networks
- Standards for IP Voice
- Network Performance Requirements & QoS
- Internet Telephony Service Providers and Carriers
- Justifying VOIP and IPT
- Use Existing IP/Data Networks
- Reduce Moves, Adds, and Changes
- Reduced Cost/Staff
- Web and CTI Integration
- Unified Communications (UC)
- Service Oriented Architecture (SOA)
- Voice Communications Requirements
- Voice Characteristics
- Bandwidth Utilization
- Latency and Delay
- Packet Loss and Discard
- Influence on Voice Quality
- Where Does VOIP/IPT Fit?
- The LAN and WAN Decisions
- Local/Campus
- Greenfield and Old Construction
- Long Distance/International
- Call Center
- Standards for IPT and VOIP
- Voice Packets
- Standards for Packet Voice (ITU, IETF)
- Signaling Standards (H.323, SIP, MGCP, MEGACO, H.248)
- Which Signaling Standard(s) Will Dominate
- G72X Series (Compression)
- Signaling Protocol Limitations
- Proprietary Approaches
- IP Network Technologies
- Switches vs. Routers
- IP Network Operation
- Voice over IP Networks
- MultiProtocol Label Switching (MPLS)
- The Fundamentals of IPT and VOIP
- VOIP and IPT Concepts
- Network Components (Call Server, Gateway, IP Phone, Router, LAN switch)
- Protocols (RTP, RTCP, TCP, UDP, IP, etc.)
- Testing for Delays and Loss
- Tuning and Protocols for Quality and Performance (QoS, CoS)
- Directory Issues and ENUM
- IP PBX Implementation
- Design and Cabling
- Ethernet Access and Protocol (8023)
- H.323 Gatekeepers and Gateways
- IP Legacy Interoperability
- Technical Limitations (Quality, Scalability, Reliability)
- Tuning for Quality and Performance
- IP PBX Product Comparisons
- The IP and Softphone Products
- Legacy Phone Support
- IP Phones
- Power over Ethernet (PoE)
- Softphones
- Web Phones
- Voice over WLAN and DECT
- WLAN Standards 802.11a/b/g
- DECT for Wireless Phones
- Network Planning and Design
- Roaming Considerations
- Performance, QoS and Saturation Issues
- Security Considerations (RF, 802.1x)
- Securing VOIP/IP Telephony
- Operational Threats
- Usage and Application Vulnerabilities
- Internal vs. External Threats
- Data Network Security Solutions
- Firewalls, IDS and IPS Solutions
- Encryption
- VPN, IPSec, SSL and TLS Solutions
- The First IPT Trial/Pilot Site
- Vendor Approaches
- Pilot Site Recommendations
- Implementation Issues
- Feedback and Planning
- What Can You Do?
- Looking Ahead
- MPLS for VOIP
- Reliability Issues
- Second Generation IPT
- VOIP Challenges and Drawbacks
- Market Direction
- Acronym Glossary
- References
- Web Sites
- Article Reprints
|
