ETS 300 260 Ed.2 (1996)现行
Private Integrated Services Network (PISN); Specification, functional models and information flows; Call transfer supplementary service
出版：European Telecommunications Standards Institute
专家解读视频
Contains stage 1 and 2 description of the explicit call transfer supplementary service. See ECMA DTR/ECMA 0002 (ECMA TR/SVC) for description of the explicit call transfer supplementary service. See ENV 41005 for definition of stages 1 and 2.
PN ETS 300 260:2005 - Identical
NS ETS 300 260:1997 - Identical
NBN ETS 300 260:2000 - Identical
DIN ETS 300260 (2000-06) - Identical
ONORM ETS 300260:1996 - Identical
SS ETS 300 260 Ed. 2 (1996) - Identical
