ISO/IEC 13865:2003现行
Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Specification, functional model and information flows - Call Transfer supplementary service
出版：International Organization for Standardization
专家解读视频
ONORM ETS 300260:1996 - Identical
SS ETS 300 260 Ed. 2 (1996) - Identical
BS ISO/IEC 13865:1995 - Identical
AS/NZS 4337(Int):1995 - Identical
NBN EN 300 260:2004 - Equivalent
CSA ISO/IEC 13865:2004 (R2014) - Identical
DIN EN 300260 (2004-12) - Identical
NEN ISO/IEC 13865:2003 - Identical
