OpenSER - the Open Source SIP Server 1.2.x

Installtion (install mysql first):

In source code directory:
modify MakeFile to include mysql modules or you can using extra "make" to install mysql modules
remove mysql from exclude_modules?=

make proper
make --prefix=/usr/local all
make --prefix=/usr/local install

if you do not remove mysql from exclude_modules please execute commands below
make --prefix=/usr/local include_modules="mysql" all
make --prefix=/usr/local include_modules="mysql" install

modify database settings within configure files /usr/local/etc/openser/openserctlrc

make sure "mysql" in your PATH environment variable.

In /usr/local/sbin
./openserdbctl create

FYI:
openser: http://www.openser.org
wiki : http://www.openser.org/docs/