Troubleshooting Cisco IP Telephony
- By Paul Giralt, Addis Hallmark, Anne Smith.
- Published by Cisco Press.
- Series: Networking Technology.
- Published: Dec 11, 2002
- Copyright 2003
- Dimensions: 7-3/8" x 9-1/8"
- Pages: 1008
- Edition: 1st
- Book
- ISBN-10: 1-58705-075-7
- ISBN-13: 978-1-58705-075-6
- eBook (Watermarked)
- ISBN-10: 1-58705-360-8
- ISBN-13: 978-1-58705-360-3
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Click on 'Tips' to read troubleshooting tips from the authors.
More Information
Product Description
Reveals the methodology you need to resolve complex problems in an IP telephony network
- Master troubleshooting techniques and methodologies for all parts of a Cisco IP Telephony solution-Cisco CallManager, IP phones, gateways, applications, and more
- Learn how to investigate and resolve voice quality problems, including delayed audio, choppy or garbled audio, static and noise, one-way or no-way audio, and echo
- Read about the variety of trouble-shooting tools at your disposal and how and when to use them based on the problem type
- Discover the potential causes of common problems and how to efficiently troubleshoot them to resolution
- Learn how to identify and resolve gateway problems by breaking the components into logical groups and following a methodical troubleshooting approach
- Use best practices recommendations to build a stronger IP telephony deployment and avoid common mistakes
IP telephony represents the future of telecommunications: a converged data and voice infrastructure boasting greater flexibility and more cost-effective scalability than traditional telephony. The ability to troubleshoot an IP telephony environment and the underlying network infrastructure is vitally important, just as it is in any complex system.
Troubleshooting Cisco IP Telephony teaches the troubleshooting skills necessary to identify and resolve problems in an IP telephony solution. This book provides comprehensive coverage of all parts of a Cisco IP Telephony (CIPT) solution, including CallManager, IP phones, gateways, analog devices, database and directory replication, call routing, voice mail, applications, network infrastructure, and more. You'll learn how to read trace files, determine when to turn on tracing and Cisco IOS(r) Software voice debugging, and how to troubleshoot voice quality issues.
Troubleshooting Cisco IP Telephony shows you how to break down problems to find the root cause. Descriptions of each part of the CIPT solution help you understand the functionality of each part of the solution and how each part interacts with other parts of the solution. You'll then learn what steps to take and tools to use to identify and resolve the cause of the problem.
Downloads
Caution: These tools are not officially supported by Cisco Systems. If you download, install, or use these tools, you do so at your own risk. Cisco Systems, Inc. is not responsible for correcting problems that may arise as a result of using this unsupported tool.
Q.931 Translator 1.1.0.1
The Q.931 Translator utility decodes Q.931 and H.225 messages from a
CallManager CCM trace file. Refer to Chapter 3, "Understanding the
Troubleshooting Tools" for more information on using the Q.931
Translator tool.
CCEmail
CCEmail allows you to set up e-mail or pager alerts based on the values
of performance counters available in Microsoft Performance (PerfMon).
Refer to Chapter 3, "Understanding the Troubleshooting Tools," for more
information on using CCEmail and PerfMon.
CDR Time Converter
This utility converts the timestamps from CallManager call detail
records (UNIX Epoch Time) to standard date/time format. Refer to
Chapter 3 for more information using the CDR Time Converter utility.
Dick Tracy Utility
Dick Tracy is an advanced troubleshooting tool for the WS-X6608 and
WS-X6624 voice gateways. For detailed information on using the Dick
Tracy utility, refer to Chapter 3 and Chapter 6, "Voice Gateways."
Download - 1.92 MB -
Q931Translator-1.1.0.1.zip
Download - 146 KB - CCEmail.zip
Download - 1.15 MB - CiscoCDRTime Converter-0.1.0.0.zip
Download - 337 KB - DickTracy1007.zip
Tips
Download - 59 KB -- Troubleshooting Tips (Word doc)
Tech Tips & Training feature from Packet® magazine
Download - 332 KB -- "IP Telephony Detective" by Paul Giralt (PDF)
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15 of 18 people found the following review helpful
Good overview of the tools available.,
By A Customer
This review is from: Troubleshooting Cisco IP Telephony (Hardcover)
I have to admit that this is not a book that I have read cover to cover. I have dipped into it to cover topics listed in the CCIE voice exam. I have found it to be very useful in that respect. For each topic it gives an overview and brief details on configuration before going on to explain how to troubleshoot problems. It will not replace the troubleshooting resources available on CCO, but it will give you a great place to start!Now that I've read it I can answer the following questions: Would I buy it to help pass the Troubleshooting Exam? - Yes (but I have not done the exam so difficult to say for certain) Would I buy it to help pass the CCIE Voice written exam? - Probably, but would need more information from CCO. Would I buy it for my reference bookshelf? - Definitely.
5 of 5 people found the following review helpful
Invaluable Reference, By
Amazon Verified Purchase(What's this?)
This review is from: Troubleshooting Cisco IP Telephony (Hardcover)
I have to say, a lot of the Cisco Press books can be frustrating. They're great if you want a really detailed background on VoIP technologies, but for day to day use and quick reference they quickly prove to be more hassle than they're worth. The idea of a "troubleshooting" guide by Cisco seemed like it would be this to the extreme, but this is actually and incredibly useful book. Especially useful are the sections on configuring traces, monitoring, and alarms. I've worked with Cisco IP Telephony products for nearly 2 years and still was not aware of many of these features. Many of the problems I've encountered are listed here, and accompanied by an ordered checklist of things to troubleshoot. Reading this book will save any engineer, administrator, technician, or manager tons of time on the job.The only reason I can't give this book 5 stars is it is 4 years old, and only covers CallManager up to 3.3 (5.0 is the latest version). Subsequently, there's lots of "this... Read more
2 of 2 people found the following review helpful
Very well written book,
This review is from: Troubleshooting Cisco IP Telephony (Hardcover)
Overall I thought this book was very well written. It has a lot of good examples and if you are willing to invest the brain power you can learn a lot from it. I will say that you can't rely entirely on this book to help you pass the Cisco IPT troubleshooting test. I used this book along with some material from Knowledgenet to pass the test. I'm pretty sure I would have had to take it at least twice if this book was my only reference.
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Index
Download - 211 KB -- Index
Table of Contents
Foreword.
Introduction.
1. Troubleshooting Methodology and Approach.
2. IP Telephony Architecture Overview.
3. Understanding the Troubleshooting Tools.
4. Skinny Client Registration.
5. IP Phones.
6. Voice Gateways.
7. Voice Quality.
8. Fax Machines and Modems.
9. Call Routing.
10. Call Preservation.
11. Conference Bridges, Transcoders, and Media Termination Points.
12. Music on Hold.
13. Call Admission Control.
14. Voice Mail.
15. Survivable Remote Site Telephony (SRST).
16. Applications.
17. SQL Database Replication.
18. LDAP Integration and Replication.
Appendix A. Cisco IP Telephony Protocol and Codec Information and References.
Appendix B. NANP Call Routing Information.
Appendix C. Decimal to Hexadecimal and Binary Conversion Table.
Appendix D. Performance Objects and Counters.
Glossary.
Index.
Downloadable Sample Chapter
Download - 760 KB -- Chapter 1: Troubleshooting Methodology and Approach
Book
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