ETSI TS 101 235-3

Specification of Dual Tone Multi-Frequency (DTMF) Transmitters and Receivers; Part 3: Receivers Edition: 1.1.1
European Telecommunications Standards Institute / 01-May-2000 / 13 pages

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The various parts of this ETSI Technical Specification provide a complete set of requirements for all applications intending to use DTMF signalling.

Note: This is a withdrawn item.