Hi, I have installed openser-1.2.1-notls, freeradius-1.1.6, mysql-0.5.41, radiusclient-ng-0.5.2 successfully. Openser works well with no modification of the 'openser.cfg' and I can register a SIP telephone. The Openser reponses always 200 ok! And freeradius works well with the databases of mysql. When I make a 'radtest', I can received a 'access-request'. But when I need to use openser+freeradius+mysql. It seems that the authentification doesn't work. I have load the module 'auth_radius' and modified some another parametres of 'openser.cfg'. I think that may be the problem to register a user in the mysql tables. I just want a authentification with username and password. But I can not find a clear sample about that. Can you help me? YIN