• Hydrogen Technologies Standards form the basic framework for market ramp-up

    More information

  • Climate change Standards and specifications support climate targets

    More information

  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

    More information
 
Standards [CURRENT]

DIN ETS 300056/A1
Integrated Services Digital Network (ISDN) - Call Waiting (CW) supplementary service - Service description; English version ETS 300056:1991/A1:1996

Title (German)

ISDN - Dienstmerkmal Anklopfen - Dienstbeschreibung; Englische Fassung ETS 300056:1991/A1:1996

Document: references other documents

Responsible national committee

DKE/TBINK.AK_ETSI - Technischer Beirat ETSI  

Edition 1997-10
Original language English
Price from 36.70 €
Order from DIN Media
Table of contents

Contact

Dr.

Neda Puppan

Merianstr. 28
63069 Offenbach am Main

Send message to contact