PRETS 300 286 : MAY 93
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN); USER-TO-USER SIGNALLING (UUS) SUPPLEMENTARY SERVICE - DIGITAL SUBSCRIBER SIGNALLING SYSTEM No. 1 (DSS1) PROTOCOL
23-07-2013
12-01-2013
Specifies the stage tree of the User-to-User Signalling (UUS) supplementary service for the pan-European Integrated Services Digital Network (ISDN) as provided by European public telecommunications operators at the T reference point or coincident S and T reference point. Does not specify the additional protocol requirements where the service is provided to the user via a telecommunications network that is not an ISDN.
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