Integrated Services Digital network (ISDN). Digital Subscriber Signalling System No. one (DSS1) protocol. Completion of Calls on No Reply (CCNR) supplementary service. Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsed by AENOR in May of 2004.)
STANDARD published on 1.5.2004
Designation standards: UNE-EN 301065-5V1.2.1
Publication date standards: 1.5.2004
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE