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PREN 300 356-20 : 3.1.5
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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INTEGRATED SERVICES DIGITAL WORK (ISDN); SIGNALLING SYSTEM NO. 7; ISDN USER PART (ISUP) VERSION 3 FOR THE INTERNATIONAL INTERFACE; COMPLETION OF CALLS ON NO REPLY (CCNR) SUPPLEMENTARY SERVICE
Superseded date
23-07-2013
Published date
12-01-2013
Production of the stage 3n standard for the supplementary service Completion of Call to subscriber Not Responding (CCNR).
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