NEN EN 300403-1 : 1999
Current
Current
The latest, up-to-date edition.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO. ONE (DSS1) PROTOCOL - SIGNALLING NETWORK LAYER FOR CIRCUIT-MODE BASIC CALL CONTROL - PART 1: PROTOCOL SPECIFICATION (ITU-T RECOMMENDATION Q.931:1993, MODIFIED)
Published date
01-12-2013
Publisher
Describes the stage three of circuit-mode on-demand basic telecommunication services for de pan-European Integrated Services Digital Network (ISDN) as provided by European telecommunications operators at the T reference point or coincident S and T reference point.
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