ISO/IEC 15050:2003現行
Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Advice Of Charge supplementary services
出版：International Organization for Standardization
專家解讀視頻
NEN ISO/IEC 15050:2003 - Identical
CSA ISO/IEC 15050:2004 (R2014) - Identical
NBN EN 301 264:2004 - Equivalent
DIN EN 301264 (2004-12) - Identical
BS ISO/IEC 15050:1997 - Identical
SS EN 301 264 Ed. 1 (1998) - Identical
