Telecommunications Telephone Terminal Equipment Analog Telephone Acoustic Echo Canceller Test Methods and Performance Requirements
Edition 2018-09-20

Methods of measurement for equipment used in digital microwave radio transmission systems - Part 2: Measurements on terrestrial radio-relay systems; section 11: Cross-polarization interference canceller (IEC 60835-2-11:1996); German version EN 60835-2-11:1997
Edition 1997-07

Television systems - Enhanced 625-line PAL/SECAM television - Ghost Cancellation Reference (GCR) signals; English version ETS 300732:1997
Edition 1997-08

Public Switched Telephone Network (PSTN) - Category II specification for 9600 or 4800 bits per second duplex modems standardized for use on the PSTN; English version ETS 300002:1996
Edition 1997-08

Intelligent transport systems - ESafety - eCall high level application requirements (HLAP) using GSM/UMTS circuit switched networks; German version EN 16062:2023
Edition 2023-10

Public Switched Telephone Network (PSTN) - Category II specification for 14400, 12000, 9600, 7200 and 4800 bits per second duplex modems standardized for use on the PSTN; English version ETS 300492:1996
Edition 1997-08

Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) - Radio specific functional blocks for transmission of Mx STM-N; English version ETS 300635:19966
Edition 1997-09

Postal services - Digital postage marks - Applications, security and design; German version EN 14615:2017
Edition 2017-12

Integrated Services Digital Network (ISDN); circuit mode structured bearer service category usable for 3,1 kHz audio information transfer; terminal requirements necessary for end-to-end compatibility; English version ETS 300084:1993
Edition 1993-11

Integrated Services Digital Network (ISDN) - Telephony 7 kHz teleservice - Service description; English version ETS 300263:1994
Edition 1994-11