DIN EN 1922 PDF

Published Date: 12/01/1992

Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; service description; english version ETS 300139:1992

Published Date: 09/01/1995

Telephony for hearing impaired people - Inductive coupling of telephone earphones to hearing aids; English version ETS 300381:1994

Published Date: 03/01/1995

European digital cellular telecommunications system (Phase 2) - Terminal Adaptation Functions (TAF) for services using asynchronous bearer capabilities; English version ETS 300583:1994

Published Date: 12/01/1998

Satellite Personal Communications Networks (S-PCN) - Network Control Facilities (NCF) for Mobile Earth Stations (MESs) including handheld earth stations, for S-PCN in the 1.6/2.4 GHz and the 2.0 GHz bands, providing voice and/or data communications under the Mobile Satellite Service (MSS); English version ETS 300735:1997

Published Date: 08/01/1997