How to do free calls to whole the world for free.-->methode 1

hello every1.
u might be wondering hw this is possible,
but it is
go 2
phonehog.com
and on
http://www.tuitalk.com/
on these two websites,first register the do free calls anywhere ..
once it says now you can not do more calls them register with another email id and hav fun again:P
in case you want to do free calls from your mobile then
go to
eqo.com
download there software and install in your mobile
it will give you 100 free minutes
and on
mig33.com
it will give you 3 free minutes.
for using mig33 and eqo your mobile must and must having gprs that moment:(
hav fun :P