Integrated Services Digital Network (ISDN) - Completion of Calls to Busy Subsciber (CCBS) supplementary service - Digital Subscriber Signalling System No.one (DSS1) protocol - Part 1: Protocol Specification
STANDARD published on 1.7.1999
Designation standards: ČSN EN 300359-1-V1.2.4
Classification mark: 877081
Catalog number: 56002
Publication date standards: 1.7.1999
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Category: Technical standards ČSN