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 30.6.1998
Designation standards: ETSI EN 300141-3-V1.2.4
Publication date standards: 30.6.1998
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: European technical standard
Kategória: Technické normy ETSI