PRETS 300 205 : NOV 91
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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); CALL FORWARDING NO REPLY (CFNR) SUPPLEMENTARY SERVICE - FUNCTIONAL CAPABILITIES AND INFORMATION FLOWS
12-01-1994
01-12-2013
Defines the stage two of the Call Forwarding No Reply (CFNR) supplementary service for the pan-European Integrated Services Digital Network (ISDN) as provided by European public telecommunications operators. Does not formally describe the relationship between this supplementary service and the basic call, but where possible this information is included for guidance. Does not specify the additional requirements where the service is provided to the user via a telecommunications network that is not an ISDN.
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