PRETS 300 356-2 : AUG 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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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) - CCITT SIGNALLING SYSTEM NO. 7, ISDN USER PART (ISUP) VERSION 2 FOR THE INTERNATIONAL INTERFACE PART 2: ISDN SUPPLEMENTARY SERVICES
02-01-1995
01-12-2013
Specifies 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 Integrated Services Digital Network User Part (ISUP). Identifies the protocol procedures and switching functions needed to support telecommunications services.
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