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
STANDARD published on 1.9.1998
Designation standards: ÖNORM EN 300141-5-V1.2.4
Publication date standards: 1.9.1998
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM