PBX Systems For IP Telephony: Migrating Enterprise Communications, by Allan Sulkin, softcover, 487 pages, 2002, $59.95

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Overview

The most efficient (and economical) ways to bring enterprise communication systems into the Digital Age are in this guide, written by the foremost analyst in the market space.  In PBX Systems for IP Telephony, Allan Sulkin-consultant and advisor to Avaya, Siemens, Cisco, NEC, Alcatel and other world-class companies-evaluates technologies, markets, and best practices for enterprise voice systems, messaging, and customer contact centers.

The heart and brains of your communications network, the PBX (Private Branch Exchange) can be the vital link-or the missing link-that interfaces businesses and their customers.  This guide, from the recognized expert in telephony systems, provides answers.  Whether you need to IP-enable a PBX system for a small business, make complex choices for an advanced call center, or gain the expertise to integrate a variety of communication systems into a state-of-the-art foundation for your e-business vision, PBX Systems for IP Telephony should be your first choice.  Here's why:

  • No one knows PBX systems and markets better than the author, and no one is better at explaining them.
  • This comprehensive resource supplies nuts-and-bolts information on costs, performance, risks, and other real-world considerations difficult to research.
  • You get insights into the potential strengths and weaknesses of next-generation PBX systems.
  • You'll consult the consultant to the system designers for practical advice on systems that fit your needs and your future.
  • There's no more business-aware or user- friendly guide anywhere to converging your voice systems with your IP-based data systems.

When it comes to the PBX, the question often seems to be "Whose job is it anyway?"  With this guidebook, you'll be ready to take the responsibility - and get the credit

Table of Contents

  1. Enterprise Communications Systems Today
    • The Fundamental Enterprise Communications Systems
  2. Evolution of the Digital PBX, 1975-2000
    • Digital Switching/Transmission
    • Computer Stored Program Control
    • Digital Desktop
    • Modular System Design
    • Feature/Function Enhancements
  3. Legacy PBX Call Processing Design
    • Fundamentals of PBX Circuit Switching
    • Local Switching Network Design: TDM Buses and Highway Buses
    • PBX Switch Network Topologies
    • PBX Switch Network Issues
  4. Legacy PBX Switch Network Design
    • Nonblocking/Blocking PBX Systems
    • Defining PBX Traffic:  CCS Rating
    • Trunk Traffic Engineering
    • Determining Trunk Circuit Requirements
  5. Legacy PBX Traffic Engineering Analysis
    • Common Control Complex
    • Main System Processor
    • Operating System Platform
    • Basic Call Processing Functions
    • Main System Memory
    • Local Processors
    • Port Circuit Card Microcontrollers
    • Cabinet/Carrier Shelf Local Controllers
    • System Processing Bus
    • PBX Call Processing Design Topologies
    • Call Processing Redundancy Issues
    • PBX Call Processing Power: BHC Rating
  6. Legacy PBX Common Equipment
    • System Cabinets
    • Carrier Types
    • Cabinet Power System
    • Cabinet Backplane
    • Cabinet/Carrier Expansion Requirements
    • Printed Circuit Boards
    • Circuit Card Provisioning Issues
  7. Introduction to IP-PBX Systems
    • ToIP and IP-PBX Systems
    • IP-PBX System: Benefits and Advantages
    • The Case for Converged IP-PBX Systems
    • The Case for the Client/Server IP-PBX
  8. VoIP Standards and Specifications
    • ITU-T H.323
    • H.323 Benefits
    • H.323 Architecture Components
    • H.323 Architecture Protocols and Procedures
    • H.323 Audio Codecs
    • H. 323 Control and Signaling Mechanisms
    • H.225.0 RAS
    • H.225.0 Call Signaling
    • H.245 Media Control
    • The Need for RTP/RTCP
    • Real-Time Transport Protocol
    • Real-Time Transport Control Protocol
    • SIP
    • SIP Call Process
    • H.323 or SIP
    • Other Protocols: MGCP and MEGACO (H.248)
  9. Converged IP-PBX System Design
    • IP Station Ports
    • Making IP Voice Calls
    • IP Trunk Ports
    • Dispersed Common Equipment over LAN/WAN Infrastructure
    • Upgraded Circuit Switched PBX
    • Distributed Modular Design
  10. Client/Server IP-PBX System Design
    • Telephony Call Server
    • Telephony Gateways
  11. LAN/WAN Design Guidelines for VoIP
    • Fundamental LAN Planning Guidelines
    • Factors Affecting QoS: Packet Loss Latency
    • QoS Controls
    • QoS Control Summary Points
    • A Final QoS Factor: Echo
    • TIA IP Telephony QoS Recommendations
  12. PBX Cabling Guidelines
    • Cabling System Fundamentals
    • Cable Interference and Noise Issues
    • Overview of ANSI/TIA/EIA 568
    • Overview of ANSI/TIA/EIA 569
  13. PBX Voice Terminals
    • Voice Terminal Categories
  14. PBX  Networking
    • Public Networking
    • ANI/SID
    • CBCSS
    • Private Networking
    • Single System PBX Network: On-net Multilocation Support
    • Distributed PBX Common Equipment Design
    • Remote Port Cabinet Options
    • Multiple System Private Networking
    • Fundamentals of PBX Private Networks
    • Intelligent Feature Transparent Network (IFTN)
  15. PBX Systems Management and Administration
    • System Administration
    • Administration Sequence
    • Performance Management
    • System Diagnostics and Maintenance
  16. Appendix A: Call Processing Feature/Function Glossary and Definitions
  17. Appendix B: PBX/IP - PBX Cost and Pricing Issues
  18. Appendix C: Client/Server IP-PBX RFP Example
  19. Appendix D: PBX/IP-PBX System Feature and Function Matrices


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