ISO/IEC 14844 : 2003(R2015)现行
INFORMATION TECHNOLOGY - TELECOMMUNICATIONS AND INFORMATION EXCHANGE BETWEEN SYSTEMS - PRIVATE INTEGRATED SERVICES NETWORK - INTEREXCHANGE SIGNALLING PROTOCOL - DO NOT DISTURB AND DO NOT DISTURB OVERRIDE SUPPLEMENTARY SERVICES
出版：International Organization for Standardization
专家解读视频
Defines the signalling protocol for the support of the Do Not Disturb and Do Not Disturb Override supplementary services (SS-DND and SS-DNDO) at the Q reference point between Private Integrated services Network exchanges (PINXs) connected together within a Private Integrated Services Network (PISN).
NEN ISO/IEC 14844 : 2003 - Identical
CSA ISO/IEC 14844 : 2004 - Identical
CSA ISO/IEC 14844 : 2004(R2019) - Identical
DIN EN 300364 : 2004 - Corresponds
CSA ISO/IEC 14844 : 2004 - Identical
DS EN 300364 : 2006 - Identical
CSA ISO/IEC 14844 : 2004 - Identical
CSA ISO/IEC 14844 : 2004 : R2014 - Identical
CSA ISO/IEC 14844 : 2004(R2019) - Identical
DS EN 300364 : 2006 - Identical
DIN EN 300364 : 2004 - Identical
NEN ISO/IEC 14844 : 2003 - Identical
