Hello,
just to let you know that the RPMs of Kamailio 3.1.5 were generated for CentOS, Fedora, OpenSUSE and RedHat. This time CentOS RPMs are packaged for both versions 5 and 6.
Links are available on our wiki at:
* http://www.kamailio.org/dokuwiki/doku.php/packages:rpms
Cheers, Daniel