• ETSI ES 201 235-2
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ETSI ES 201 235-2

  • Final draft Version 1.2.1Access and Terminals (AT); Specification of Dual-Tone Multi-Frequency (DTMF) Transmitters and Receivers; Part 2: Transmitters
  • standard by European Telecommunications Standards Institute, 03/01/2002
  • Publisher: ETSI

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Revision of ES 210 235-2 to include digital levels.The various parts of this ETSI Standard provide a complete set of requirements for all applications intending to use DTMF signalling.

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