EN 301 492-2 V1.2.1 (2002)现行
Private Integrated Services network (PISN); Inter-exchange signalling protocol; Cordless terminal authentication supplementary services; Part 2: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the VPN b"" service entry poi
出版：European Telecommunications Standards Institute
专家解读视频
ONORM EN 301492-2:2002 - Identical
DIN EN 301492-2 (2002-11) - Identical
SS EN 301 492-2 Ed. 1 (2001) - Identical
NBN EN 301 492-2:2002 - Identical
PN EN 301 492-2:2005 - Identical
NEN EN 301492-2:2002 - Identical
