Call home can be very expensive. The best way to comunicate with your family is via email.

You can also use SKYPE. You can top-up and call landlines or mobiles. If you call skype to skype is free. Rates are fom 0.03 a minute to .20 to mobiles depending on the country.

Another option is to buy a card from any convenience store. These cards are cheap and contains a lot of minutes.