Rule #1 - Be Patient - Rule #2 - Don't ask when, if you don't contribute - Rule #3 - You have coding skills - LinuxMCE's small brother is available: http://www.agocontrol.com
I tested GV, the major issue which resulted in it not being an option for our usage is that DTMF is not passed on incoming calls which prevents callers from accessing the IVR generated by the system.