ETS 300 256 Ed.2 (1996)现行
Private Integrated Services Network (PISN); Specification, functional models and information flows; Diversion supplementary services
出版：European Telecommunications Standards Institute
专家解读视频
Contains stage 1 and stage 2 description of the (CFU) sup service (CFNR) sup service and (CFB) supplementary service. See ECMA DTR/ECMA-0002 (ECMA-TR/SVC) for description of these supplementary services. See ENV 41 005 for definition of stage 1 and 2.
SS ETS 300 256 Ed. 2 (1996) - Identical
PN ETS 300 256:2005 - Identical
NS ETS 300 256:1997 - Identical
NBN ETS 300 256:2000 - Identical
DIN ETS 300256 (2000-06) - Identical
ONORM ETS 300256:1996 - Identical
