as far as i know , gmail phone service is free in USA. am i right ? more in where it is free? do you know that?
is it the same rate for rest of the world?do you know something ?another thing i wish to know about the payment option. how i have to pay(credit/debit card, bank account....) ? is it cheaper than skype ?is there any option that is more cheap than both of gmail phone or skype?
thanks.