Integrated Services Digital Network (ISDN). Signalling System No.7 (SS7). Interworking between ISDN User Part (ISUP) version 2 and Digital Subscriber Signalling System No. one (DSS1) protocols. Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification (Endorsed by AENOR in May of 2004.)
NORMA vydána dne 1.5.2004
Designation standards: UNE-EN 300899-4V1.1.1
Publication date standards: 1.5.2004
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE