Hello,
Kamailio SIP Server v3.1.1 is released.
This is a maintenance release of latest stable branch, 3.1, that includes fixes since release of v3.1.0. There is no change to database or configuration file required to upgrade to 3.1.1 from 3.1.0 version. If you run v3.1.0 from tarball or packages, it is strongly recommended to upgrade to v3.1.1.
For more details about version 3.1.1, visit: http://www.kamailio.org/w/2010/12/kamailio-v3-1-1-released/
Cheers, Daniel