Here are some basic instructions how to download and compile the code from openh323.org CVS and how to install chan_h323. You must be logged as root.

> cd /root (Notice that pwlib has it hardcoded to compile from /root)
> export CVSROOT=:pserver:openh323@cvs.openh323.org:/home/cvsroot
> cvs login (password is openh323)
> cvs checkout openh323 pwlib ptlib_unix
> cd pwlib; make all install
> cd ../openh323; make all install
> echo /usr/local/lib >> /etc/ld.so.conf
> ldconfig
> cd /usr/src/asterisk/channels/h323
> make install
> cp h323.sample.conf /etc/asterisk/h323.conf

Now you have to edit the /etc/asterisk/h323.conf config file.