NEN EN 300122-1 : 1998
Current
Current
The latest, up-to-date edition.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - GENERIC KEYPAD PROTOCOL FOR THE SUPPORT OF SUPPLEMENTARY SERVICES - DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO. ONE (DSS1) PROTOCOL - PART 1: PROTOCOL SPECIFICATION
Published date
12-01-2013
Publisher
Describes the keypad protocol of the pan-European Integrated Services Digital Network (ISDN) as provided by European public telecommunications operators for the application to a range of supplementary services at the T reference point, or coincident S and T reference point by means of the Digital Subscriber Signalling System No. one (DSS1).
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