I USE A PUBLIC PHONE TO MAKE A INTERNATIONAL CALL THAT SUPPOSED TO BE THE LOWER EXPENSIVE AND I RECEIVED A BILL IN MY CREDIT CARD THAT VARIES FROM u$22, 38 TO u$98, 99 WITHOUT WITH THE SAME REFERENCE 12/31MINS THAT I DO NOT UNDERSTAND WHAT IT MEAN. I NEED A EXPLANATION FOR THAT. AT THE PHONE BOOT WAS WRITTEN " THE LOWEST" COST FOR INTERNATIONAL CALLS" OR SOMETHING LIKE IT. PLEASE ANSWER ME [email protected] or by phone 55-86-3233-1396 read full review »