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

Terminal Equipment (TE). Attachment requirements for pan-European approval for connection to the analogue Public Switched Telephone Networks (PSTNs) of TE (excluding TE supporting the voice telephony service) in which network addressing, if provided, is by means of Dual Tone Multi Frequency (DTMF) signalling
Edition 1999-05-01

Universal Personal Telecommunication (UPT) - UPT Phase 2 - Fonctional specification of the interface of a UPT Integrated Circuit Card (ICC) and Card Accepting Devices (CAD) - UPT card accepting Dual Tone Multiple Frequency (DTMF) device
Edition 2002-04-01

Digital Video Broadcasting (DVB) - Interaction channel through Public Switched Telecommunications Network (PSTN)/Integrated Services Digital Network (ISDN); English version ETS 300801:1997
Edition 1998-06

Digital cellular telecommunications system (phase 2). Support of dual tone multi-frequency signalling (DTMF) via the GSM system (GSM 03.14)
Edition 1996-09-01

Universal Personal Telecommunication (UPT) - Specification of the security architecture for UPT phase 1 - Part 2: Implementation Conformance Statement (ICS) proformas; English Version ETS 300391-2:1995
Edition 1996-02

Universal Personal Telecommunication (UPT) - Specification of the security architecture for UPT phase 1 - Part 3: Conformance Test Specification (CTS); English Version ETS 300391-3:1995
Edition 1996-02

Universal Personal Telecommunication (UPT) - Specification of the security architecture for UPT phase 1 - Part 1: Specification; English Version ETS 300391-1:1995
Edition 1996-02

European digital cellular telecommunications system (Phase 2) - Network functions; English version ETS 300521:1994
Edition 1995-02

Universal Personal Telecommunication (UPT) - Security architecture for UPT phase 2 - Specification; English version ETS 300790:1997
Edition 1998-07