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DIN ETS 300056:1992-09

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DIN ETS 300056:1992-09

Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service; service description; english version ETS 300056:1991

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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.

Author DIN
Editor DIN
Document type Standard
Format File
ICS 33.080 : Integrated Services Digital Network (ISDN)
Number of pages 18
Cross references ETS 300056 (1991-10), IDT
Modified by DIN ETS 300056/A1 (1997-10)
Year 1990
Document history
Country Germany
Keyword 300056