EN 300 356-2 : 4.2.1
Current
The latest, up-to-date edition.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - SIGNALLING SYSTEM NO. 7 - ISDN USER PART (ISUP) VERSION 3 FOR THE INTERNATIONAL INTERFACE - PART 2: ISDN SUPPLEMENTARY SERVICES
Hardcopy , PDF
English
Defines procedures that are common to multiple supplementary services defined for the pan-European Integrated Services Digital Network (ISDN) as provided by the European public telecommunications operators by means of the Signalling System No. 7 protocol for the ISDN User Part (ISUP). Also identifies the protocol procedures and switching functions needed to support telecommunication services.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.