This bug has been copied from bug #508863 and has been proposed to be backported to 5.5 z-stream (EUS).
Built ekiga-2.0.2-7.0.3 with the patch.
Built ekiga-2.0.2-7.0.4 with the patch for RHEL-5.7.z now.
RHEL 5.7.z is not supported anymore. Closing as WONTFIX.