EN 300 485 : 1.3.1
Current
Current
The latest, up-to-date edition.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN); DEFINITION AND USAGE OF CAUSE AND LOCATION IN DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO. ONE (DSS1) AND SIGNALLING SYSTEM NO.7 (SS7) ISDN USER PART (ISUP) [ITU-T RECOMMENDATION Q.850 (1998) WITH ADDENDUM MODIFIED]
Available format(s)
Hardcopy , PDF
Language(s)
English
The specification of the usage of the cause and location fields in the DSS1 signalling protocol as an endorsement of ITU-T Recommendation Q.850 (1997).
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.