ISO/IEC 14843:2003现行
Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Call Offer supplementary service
出版：International Organization for Standardization
专家解读视频
CSA ISO/IEC 14843:2004 (R2014) - Identical
NBN EN 300 362:2004 - Equivalent
DIN EN 300362 (2004-12) - Identical
NEN ISO/IEC 14843:2003 - Identical
KS X ISO/IEC 14843:2008 - Identical
SS EN 300 362 Ed. 1 (1999) - Identical
