
Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Circuit mode bearer services - Inter-exchange signalling procedures and protocol
出版:International Organization for Standardization

专家解读视频
AS/NZS 11572:1999 - Identical
KS X 4308:2014 - Identical
KS X 4308:2004 - Identical
DR 98506 CP - Identical
BS ISO/IEC 11572:1997 - Identical