The costs of using a mobile phone abroad have decreased by more than 90% compared to the past 5 to 10 years.
ຄ່າໃຊ້ຈ່າຍໃນການໃຊ້ໂທລະສັບມືຖືຢູ່ຕ່າງປະເທດໄດ້ຫຼຸດລົງຫຼາຍກ່ວາ 90% ເມື່ອທຽບໃສ່ 5 - 10 ປີທີ່ຜ່ານມາ.