ETS 300 259 Ed.2 (1995)现行
Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Path replacement additional network feature [ISO/IEC 13874 (1995) modified]
出版：European Telecommunications Standards Institute
专家解读视频
Stage 3 of additional network feature path replacement at Q ref pt. See DTR/ECMA 0002 (ECMA-TR/SVC) for service description. See ENV 41005 for definition of stage 3. See ENV 41004 for definition of Q reference point. To contain PICS proforma.
SS ETS 300 259 Ed. 2 (1996) - Identical
PN ETS 300 259:2005 - Identical
NBN ETS 300 259:2000 - Identical
DIN ETS 300259 (1996-06) - Identical
ONORM ETS 300259:1996 - Identical
