This is the book Real-Time Communications Quick Start Guide published at http://rtcquickstart.org
The book is authored using DocBook 5 markup.
The make-book.sh script builds the HTML and PDF versions of the book.
Before running it for the first time, make sure you install the required utilities. On a Debian/Ubuntu system, they can be installed with:
$ sudo apt-get install xsltproc fop docbook-xsl