Integrated Service Digital Network (ISDN) - Signalling System No. 7 (SS7); ISDN User part (ISUP) version 4 for the international interface - Part 21: Anonymous Call rejection (ACR) supplementary service.
NORMA vydaná dňa 1.1.2002
Designation standards: DIN EN 300356-21:2002-01
Publication date standards: 1.1.2002
The number of pages: 1
Approximate weight : 3 g (0.01 lbs)
Country: German technical standard
Kategória: Technické normy DIN
ISDN - Zeichengabesystem Nr. 7 (SS7); ISDN-Anwenderteil (ISUP) Version 4 für die internationale Schnittstelle - Teil 21: Dienstmerkmal "Anonyme Rufabweisung".