Practical VoIP Using Vocal
by Luan Dang, Cullen Jennings, David G. Kelly

This errata page lists errors outstanding in the most recent printing.

If you have technical questions or error reports, you can send them to
booktech@oreilly.com.  Please specify the printing date of your copy.

This page was updated April 2, 2008.

Here's a key to the markup:
	[page-number]: serious technical mistake
	{page-number}: minor technical mistake
	<page-number>: important language/formatting problem
	(page-number): language change or minor formatting problem
	?page-number?: reader question or request for clarification



Confirmed errors:

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The www.vovida.org website mentioned in the book is gone.  

One of the authors says:
Vocal was moved to http://sourceforge.net/projects/vovida/

It is a really interesting implementation of RFC 2543.

The key architects behind VOCAL refactored the SIP stack into a project
called Resiprocate, which is also on Sourceforge. You'll likely find a
more active community with Resiprocate than with VOCAL. Although, I
really haven't been involved with either for a few years. Resiprocate
uses the most up-to-date RFCS.
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(150) Figure 7-7;
The figure 7-7 repeats step 3 and skips step four. 
The second "3" should really be "4"