Re: Wi-Fi phones, any good?

<broadbandera@gmail.com> wrote in message
news:1153595732.936752.133370@75g2000cwc.googlegro ups.com...
> VoIP Phone works like a mobile phone - no PC is required!
> Internet (Voip) phone service plan thru wireless network,can reduce
> telephone charges compared to standard telephone services.
> It's giving you greater freedom to roam throughout your network while
> making
> phone calls.In fact,you can make calls wherever you have Internet
> access.
>
> http://www.flying-rugs.com/satellite...p300-phone.htm
>

.....works with latest VoIP SIP protocol.
So, can I be sure that it works with all VOIP service providers?
I presume it will not be compatible with SKYPE though.
divoch