Hi Klaus, I was running at debug level 6 already, and dumping the output to screen. However, I actually found the error last night: Beeing new to all this, I had mediaproxy and proxydispatcher running on the machine - primarily as a proof to myself that they where installed and seemed to work. I assumed they wouldn't interfere with OpenSER as long as the support modules wasn't loaded, but alas, I was wrong: As soon as I stopped mediaproxy and proxydispatcher, OpenSER started working as expected. The problem is reproduceable - but I think it's a bit strange behaviour? Regards, Lars -- Lars Skjærlund Skovengen 111 2980 Kokkedal Denmark Tel.: +45 70 25 88 10 http://www.skjaerlund.dk/lars