Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Calling Line Identification Restriction (CLIR) supplementary service; Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (Endorsed by AENOR in July of 2003.)
NORMA vydaná dňa 1.7.2003
Označenie normy: UNE-EN 300093-4V1.3.1
Dátum vydania normy: 1.7.2003
Približná hmotnosť: 300 g (0.66 libier)
Krajina: Španielska technická norma
Kategória: Technické normy UNE