Integrated Services Digital Network (ISDN); Completion of Calls to Busy Subscriber (CCBS) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user (Endorsed by AENOR in April of 2005.)
STANDARD published on 1.4.2005
Designation standards: UNE-EN 300359-3V1.2.4
Publication date standards: 1.4.2005
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE