I'm brand new to the 3CX world and seem to be running into some difficulty. Using 3CXPhone ver. 5.0.14900.0 on Windows Vista Home Premium I am able to connect to my local Trixbox Asterisk server and call out without any difficulty, hear ringing and all other tones as appropriate but upon connecting a call I am unable to hear the party on the other end. Really at a loss as to how to get this working and could use any help that's available. TIA!