DKE Deutsche Kommission Elektrotechnik Elektronik Informationstechnik in DIN und VDE,
German Commission for Electrical, Electronic and Information Technologies of DIN and VDE,
DIN Deutsches Institut für Normung e. V.,
DIN German Institute for Standardization
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Media type:
Standard
Title:
DIN ETS 300056
:
Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service; service description; english version ETS 300056:1991
Other titles:
Später unter dem Titel: DIN ETS 300056/A1 (1997-10)
ISDN; Dienstmerkmal Anklopfen; Dienstbeschreibung; Englische Fassung ETS 300056:1991
Footnote:
Internationale Übereinstimmung mit: ETS 300056 (1991-10), IDT
Description:
The document deals with the Call Waiting (CW) supplementary service. This supplementary service permits a subscriber to be notified of an incoming call which an indication that no interface information channel is available.