"ChrisR" <> wrote in message
news:dnprtn$f5f$
> > Why wouldn't it be..?
> >
> >
> I don't know enough about the basic architecture to make
> an informed decision. Is it just a matter of dialing
> the ip of one phone from the other? Thanks.
It *can* be that simple, but it rarely is..! Usually, you register with
one of the many VoIP providers, who allocate you a phone number that can
be dialled from anywhere, including the PSTN. Depending on the provider,
it can be free or more usually a small monthly charge. Calls to other
users on the same system and others that have a peering agreement are
free, calls to the PSTN are charged, but are almost always cheaper than
using a POTS phone.
www.voxilla.com is a good starting place for info and discussions.
Ivor