Integrated Services Digital Network (ISDN) - Call Hold (HOLD) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network
NORM herausgegeben am 1.2.1997
Designation standards: ÖNORM ETS 300141-5
Note: UNGÜLTIG
Publication date standards: 1.2.1997
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM