Send text messages in different places to check whether there is a charge for mobile phone bills.

Sent to 10086, 40- current month phone bill inquiry,

4 1- Inquiry on deduction at the beginning of the month,

42- integral query that month,

43* Two-digit monthly phone bill inquiry,

44* two months-monthly basic phone bill inquiry,

45* two months-voice communication fee inquiry,

46* two months-value-added service fee query,

47* Two-person monthly fee inquiry,

48* two months-payment history query,

49- Call Charge Reminder

Send BYLCX to 10086- inquire about the number of SMS, GPRS traffic and MMS.