I have nothing bad to say about this book. It's an excellent resource for someone who daily works with Cisco IP Telephony.
Edit: I've just finished the book. I'm very impressed. I'm taking CCIE Voice lab in September '03, and hopefully this books turns out to be an invaluable resource for this test.
Good overview of the tools available.
Rating: 5/5
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.
Edit: I've just finished the book. I'm very impressed. I'm taking CCIE Voice lab in September '03, and hopefully this books turns out to be an invaluable resource for this test.