YD-T-1207-2002

YD中华人民共和国通信行业标准YD/T1207-2002800 MHz CDMA数字蜂窝移动通信网无线智能网(WIN)阶段预付费业务技术要求资科友间女800MHz CDMA digital cellular mobile communication networkWireless Intelligence Network (WIN)phase 1:technical specification of prepaid charging service2002-06-21发布2002-06-21实施中华人民共和国信息产业部发布