I am attempting to get a SIP client working over a sonicwall VPN connection from an AT&T galaxy S II with stock 4.0.4 rom connected over wi-fi. i have been having problems where basically every SIP client can only do audio one way. sipdroid, 3cx and csipsimple all have the same results. the receiving end can hear audio coming from the android device but no audio is returned. the vpn traffic itself seems fine it seems to be some kind of an audio routing problem on the device from what i can tell. bluetooth is disabled is anyone aware of issues with this? i tried various audio routing tweaks in csipsimple but none of them worked. thanks.