I switched to Anveo 3 days ago. Had been using GV for 2 yr with no problem. When I make a call I get a dial tone, the receiving phone rings, they can hear me but I can't hear them. Same if I get called. Have been tweaking the router, switched ports, no change.
Here is a very similar post from a Phone Power user. I would imagine the solution is the same.
http://www.obitalk.com/forum/index.php?topic=7700.0