IP telephony : the integration of robust VoIP services

Author(s)

    • Douskalis, Bill

Bibliographic Information

IP telephony : the integration of robust VoIP services

Bill Douskalis

(Hewlett-Packard professional books)

Prentice Hall PTR, c2000

Available at  / 2 libraries

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Note

Includes bibliographical references (p. 319-321) and index

Description and Table of Contents

Description

Now that virtually every leading telecommunications service provider has committed to delivering IP-based telephony services, communications professionals face the enormous challenge of implementation. This hands-on guide brings together today's best known answers and solutions for delivering VolP services with the quality customers deman. No other book covers the combined issues of protocol signaling, media transport methodology, reference topological considerations and voice quality testing in service offerings. No matter what your role in delivering Voice Over IP (VoIP) services, IP Telephony delivers the specifics you need to speed deployment, improve reliability, ensure quality, and simplify troubleshooting. Precise, thorough, and based firmly in the real-world, it is simply indispensable.

Table of Contents

1. Protocols for Voice Over IP and Interactive Applications. IP Telephony fundamentals. SGCP, MGCP and NCS-Overviews. H.323. An Overview of the ITU-T Approach for VoIP Telephony. SIP-Summary of Features of the Session Initiation Protocol. 2. Media Transport in Packet Networks. RTP and RTCP-Definitions for Media Transport in IP Networks. RSVP The Resource Reservation Protocol. A Quick Look at AAL2 for Voice Transport. Edge Bandwidth Management-A Look at AAL2. 3. Basic Call Control for Voice Telephony. An Overview of SS7. The Services of SSCP and TCAP. Call Control in Packet Networks. Heterogeneous Call Setup-Mapping SS7 to IP-Based Call Control. Closing Thoughts on Mixed Network Voice Telephony. 4. Metrics for Voice Quality. Voice Quality in Converging TDM and IP Networks. Auditory Perception and Testing Methodologies. Perceptual Speech Quality Measurement. Voice Quality Test Instrumentation. Echo Measurement and Control. Summary. 5. A Simple Case Study in Measurements. Objectives. From the Big Picture to the Lab. Equipment Setup and Configuration. Baseline Measurements. Testing with Connected Gateways. Observations and Conclusions. 6. Voiceband Call Considerations- A Detailed Look at Fax. A Look at a Real-Time Trace of the T.30 Protocol. Fax over Packet Networks. Real-Time Internet Fax-T.38. Basics of V.34 Fax. Group 3 Fax Error Correction Mode (ECM). Voiceband Data Transport Revisited-AAL2. Summary of the Fax Discussion and Possible Issues. References. Index.

by "Nielsen BookData"

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Details

  • NCID
    BA46471665
  • ISBN
    • 0130141186
  • Country Code
    us
  • Title Language Code
    eng
  • Text Language Code
    eng
  • Place of Publication
    Upper Saddle River, N.J.
  • Pages/Volumes
    xxi, 331 p.
  • Size
    24 cm.
  • Attached Material
    1 computer laser optical disk (4 3/4 in.)
  • Parent Bibliography ID
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