NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
Standards
[Withdrawn]
DIN ETS 300356-18
DIN ETS 300356-18
Integrated Services Digital Network (ISDN) - Signalling System No. 7 - ISDN User Part (ISUP) version 2 for the international interface - Part 18: Completion of Calls to Busy Subscriber (CCBS) supplementary service; English version ETS 300356-18:1995
Title (German)
ISDN - Zeichengabesystem Nr. 7; ISDN-Anwenderteil (ISUP) Version 2 für die internationale Schnittstelle - Teil 18: Dienstmerkmal "Rückruf zu besetztem Teilmehmer"; Englische Fassung ETS 300356-18:1995