... SMS Printer 1. Airtime Recharger, Prepaid Airtime, Money Transfer 2. GPRS, IVR, SMS, STK, USSD Key Words: cell airtime, sms ... agent applies an account in BOSS(Business & Operation Support System ) system providing by local Telecom Operator, this account binds to a ... English, Spanish, Arabic, Thai, Italian etc.Multiple charging channels: GPRS, IVR(voice), SMS, STK or USSDStores charging records such as ...