
INFORMATION TECHNOLOGY - TELECOMMUNICATIONS AND INFORMATION EXCHANGE BETWEEN SYSTEMS - PRIVATE INTEGRATED SERVICES NETWORK - SPECIFICATION, FUNCTIONAL MODEL AND INFORMATION FLOWS - CALL OFFER SUPPLEMENTARY SERVICE
出版:International Organization for Standardization

专家解读视频
This International Standard specifies the Call Offer supplementary service (SS-CO), which is applicable to various basic services supported by Private Integrated Services Networks (PISN). Basic services are specified in ISO/IEC 11574
DIN EN 300361 : 2004 - Corresponds
AS/NZS 14841:1999 - Identical
ECMA 191 : 2ED 97 - Corresponds
NEN ISO/IEC 14841 : 1996 - Identical