Well, we all know that the Internet phines are going wireless, as far as i'm concerned, two kinds are getting more and more popular, one is cordless handset, the other is Wi-Fi VOIP handset , To save money, voice over ip is essential and indispensible. Then i'm still wondering, how much do we need a Wi-Fi handset , when cordless ones being adequate in use? the former one definately have advantages over the latter one?