YD-T1328-2004

YD中华人民共和国通信行业标准YD/T1328-2004在用局用交换设备计费技术要求和检测方法一移动电话网部分The technical requirement and test method forthe charging performance of currently used central officeswitching equipment-mobile network part2004-12-22发布2004-12-22实施中华人民共和国信息产业部发布