Home / Standards / YD/T 1243.1-2002 YD/T 1243.1-2002 Active 媒体网关设备技术要求--IP中继媒体网关 Standard Type YD ICS N/A CCS N/A Status Active Issue Date 2002-12-10 Implementation 2002-12-10 Centralized Committee 信息产业部 Issuing Authority 信息产业部