2. Getting involved
  3. Standards Committees
  4. DKE
NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

About DKE Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees
Standards [CURRENT]

ETS 300139
Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; service description

Title (German)

ISDN; Zusatzdienst Rückfrage (HOLD); Dienstbeschreibung

Edition 1992-03
Original language English
Price On Request
Order from DIN Media
Table of contents

Contact

Rudolf Brandner

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63069 Offenbach am Main

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