Home / Standards / GB/T 19558-2004 GB/T 19558-2004 Active General specifications for integrated circuit(IC)card payphone and system 集成电路(IC)卡公用付费电话系统总技术要求 Standard Type GBT ICS 35.240.15 CCS M30 Status 现行 Issue Date 2004-06-08 Implementation 2004-12-01 Responsible Dept 工业和信息化部（通信） Drafting Unit 工业和信息化部（通信）