Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Call Waiting (CW) supplementary service - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (incl. Diskette!!!)
STANDARD published on 1.7.2002
Designation standards: ÖNORM EN 300058-4-V1.3.1
Publication date standards: 1.7.2002
The number of pages: 25
Approximate weight : 75 g (0.17 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM