Digital cellular telecommunications system (phase 2). Signalling requirements on interworking between the Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN) and the Public Land Mobile Network (PLMN) (GSM 09.03, version 4.0.3)
Edition 1999-02-01

Digital cellular telecommunications system (Phase 2). Interworking between the Public land Mobile Network (PLMN) and the Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN) (GSM 09.07, version 4.13.0)
Edition 1999-05-01

Radio Equipment and Systems (RES). ElectroMagnetic Compatibility (EMC) standard for second generation Cordless Telephone (CT2) apparatus operating in the frequency band 864,1 MHz to 868-1 MHz, including public access services
Edition 1998-12-01

Electromagnetic compatibility and radio spectrum matters (ERM) - Electromagnetic compatibility (EMC) standard for radio equipment and services - Part 10: specific conditions for first (CT1 and CT1+) and second generation cordless telephone (CT2) equipment
Edition 2002-12-01

Radio telephone transmitters and receivers for the maritime mobile service operating in the VHF bands used on inland waterways - Harmonised standard for access to radio spectrum and for features for emergency services (V2.3.1)
Edition 2019-08-31

Universal Personal Telecommunication (UPT). Access devices. Dual Tone Multi Frequency (DTMF) sender for acoustical coupling to the microphone of a handset telephone
Edition 1998-04-01

Telephony for hearing impaired people. Inductive coupling of telephone earphones to hearing aids
Edition 1997-12-01

Terminal Equipment (TE) - Telephony for hearing impaired people - Characteristics of telephone sets that provide additional receiving amplification for the benefit of the hearing impaired
Edition 2001-10-01

Human Factors (HF) - Assignment of alphabetic letters to digits on standard telephone keypad arrays
Edition 2000-04-01

Human factors (HF) - Telephone Prepayment Cards - Tactile Identifier
Edition 2000-02-01