Home / Standards / YD/T 1256-2003 YD/T 1256-2003 Active 智能网能力集1（CS-1）智能网应用规程（INAP）补充规定 Standard Type YD ICS N/A CCS N/A Status Active Issue Date 2003-04-11 Implementation 2003-04-11 Centralized Committee 信息产业部 Issuing Authority 信息产业部