The voipclient works with outgoing calls, and the registration to the server works also. When I get a incoming call, the phone just freezes. Only button thät works, is the red phone button. When I...

The voipclient in the N95 works good with outgoing calls, but when I get a incoming Voip call, the phone freezes. Any ideas why this happens? The software in the phone is v12.xxxx

Best regard's
RA