The openh323 project's CVS data is in read-only mode, so the project may have switched over to another source-code-management system. To check, visit the Project Summary Page for openh323 and see if the menubar lists a newer code repository, such as SVN or Git.
The CVS data can be accessed as follows.
You can run a per-module CVS checkout via pserver protocol:
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/openh323 co -P contrib
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/openh323 co -P external
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/openh323 co -P isapnp
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/openh323 co -P ixj
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/openh323 co -P ixjsdk
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/openh323 co -P nixj
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/openh323 co -P nsdk
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/openh323 co -P opal
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/openh323 co -P openh323
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/openh323 co -P pwlib
cvs -z3 -d:pserver:anonymous@a.cvs.sourceforge.net:/cvsroot/openh323 co -P website
You can view a list of files or copy all the CVS repository data via rsync (the 1st command lists the files, the 2nd copies):
rsync -a a.cvs.sourceforge.net::cvsroot/openh323/
rsync -ai a.cvs.sourceforge.net::cvsroot/openh323/ /my/local/dest/dir/
If you are a project admin for openh323, you can request that this page redirect to another repo on your project by submitting a support request.