Haudi, I have got 3CX working ok with Ekiga. However after having some difficulties with another client I suddenly realized that the server had partially crashed. The file "3CXIvrServer.exe" crashes if the SIP client Twinkle connects to 99 for example (the default receptionist number for picking up messages etc). Twinkle was able to make normal outbound calls but NOT connect to the receptionist. I manually started the service again and retried it - got the exact same behavior. The file "3CXPhoneSystem.exe" is version 6.1.1787.0 Anyone having any ideas?