After reboot, the green notification icon does not show in the android notification bar until the app is opened. I assume that means the service is not running and so incoming calls Gtalk/GV calls won't be received?
Personally, I would like to see at least the option for the service/app to open automatically in background upon android boot so one won't have to remember to manually invoke the app.
By the way, I have also tried many of the Android VOIP/SIP apps and you have a real winner here -- both in concept and execution. Thanks for your hard work in developing this product.