Home / Standards / YD/T 1387.1-2005 YD/T 1387.1-2005 Active 媒体网关设备测试方法—IP中继媒体网关 Standard Type YD ICS N/A CCS N/A Status Active Issue Date 2005-09-01 Implementation 2005-12-01 Centralized Committee 信息产业部 Issuing Authority 信息产业部