Integrated Services Digital Network (ISDN) - Call Hold (HOLD) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user
NORMA vydaná dňa 1.9.1998
Designation standards: ÖNORM EN 300141-3-V1.2.4
Publication date standards: 1.9.1998
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Austrian technische Norm
Kategória: Technické normy ÖNORM