Integrated Services Digital Network (ISDN) - Definition and usage of cause and location in Digital Subscriber Signalling System No. one (DSS1) and Signalling System No.7 ISDN User Part (ISUP) [ITU-T Recommendation Q.850 (1998), modified]
NORMA vydána dne 1.1.2000
Designation standards: ÖNORM EN 300485-V1.2.3
Note: NEPLATNÁ
Publication date standards: 1.1.2000
The number of pages: 34
Approximate weight : 102 g (0.22 lbs)
Country: Austrian technische Norm
Kategorie: Technické normy ÖNORM