“The Open IMS Core is an Open Source implementation of IMS Call Session Control Functions (CSCFs) and a lightweight Home Subscriber Server (HSS), which together form the core elements of all IMS/NGN architectures as specified today within 3GPP, 3GPP2, ETSI TISPAN and the PacketCable intiative. The four components are all based upon Open Source software(e.g. the SIP Express Router (SER) or MySQL).”

Download & Install libmysqlclient15off from:
Note: To install openimscore-fhoss you’ll need to install sun-java6-jre since it depends on it. Add the repositories to your sources.list file.
- deb http://glua.ua.pt/~mluis/apt oneiric main contrib non-free
And run:
- sudo apt-get update
- sudo apt-get install openimscore*
Follow the configuration instructions. And….. you’re done.
:-)