Directway? (Score 1)

Slightly Offtopic but similar problem for a buddy of mine.

Has anyone had to attempt this when the Internet connection was a DirectWay (Satellite) connection? My view is that the lag is simply too much to get anything to work but he's getting desperate to get something to work. He's looking into an AT&T microcell at the moment but I'd figure the same issues would come up. Ideally I'd like to hook him up with a SIP client on his phone of choice but the same issue concerns me.