What do you mean, the phone bill is not carried forward? Unicom SMS did not carry forward the phone bill.

Refers to the telephone charges that have been used this month, and the part that has not been settled before the settlement period. Unsettled telephone charges and unsettled telephone charges are also the same concept, that is, telephone charges not shown on the books usually refer to prepaid telephone charges. When the phone bill balance is insufficient, it will cause downtime, which will lead to the service provider unable to continue to provide services to users and the phone can not be used.

Sometimes it also refers to the cost of telephone consumption, so telephone charges generally refer to prepaid or consumer expenses;

The expenses that have been generated in the system but have not been settled should be deducted from the balance, which is the real balance. Under normal circumstances, the uninvoiced telephone charges will not be displayed on the bill, and the bill will only show the written-off expenses.