ETS 300 365 : 20002现行
PRIVATE INTEGRATED SERVICES NETWORK (PISN) - SPECIFICATION, FUNCTIONAL MODELS AND INFORMATION FLOWS - CALL COMPLETION SUPPLEMENTARY SERVICES
出版：European Telecommunications Standards Institute
专家解读视频
Specifies supplementary services Call Completion on Busy Subscriber (SS-CCBS) and Call Completion on No Reply (SS-CCNR) applies to various basic services supported by Private Integrated Services Networks (PISN)
PN ETS 300 365 : 2005 - Identical
DIN ETS 300365 : 2000 - Identical
NBN ETS 300 365 : 1999 - Identical
ECMA 185 : 2ED 97 - Corresponds
