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
DIN ETS 300139
: Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; service description; english version ETS 300139:1992
- [1992-12-00]
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Media type:
Standard
Title:
DIN ETS 300139
:
Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; service description; english version ETS 300139:1992
Other titles:
ISDN; Dienstmerkmal Halten; Dienstbeschreibung; Englische Fassung ETS 300139:1992
Description:
The document deals with the stage 1 description of the Call Hold supplementary service in the pan-European ISDN. This supplementary service allows a user to interrupt communications on an existing call and then subsequently, if desired, re-establish communications.