... PIN POS, POS terminal GPRS POS hardware POS, point of sale system, over-the-air top-up, Wireless Restaurant/hotel GPRS/GSM ... An agent applies an account in BOSS(Business & Operation Support System ) system providing by local Telecom Operator, this account binds to a ... ranges are also covering:wireless PBX,IP-PBX,air-charging system,school-family intelligent network,billing meter,fixed wireless terminal ...