■ Cheap SIM Voice Call Plan About 70% of the calling means frequently used by subscribers are "regular phone", about 40% of free call usage of "chat application"
I listened to frequently used communication means for men and women aged 15 and over who are using cheap SIM voice call plan, "regular phone" is the most frequented, followed by "use of chat application by call" , "Call Discount Telephone Application", "050 IP Phone Application".