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ETSI ES 201 235-1

ETSI ES 201 235-1
ETSI ES 201 235-1 English PDF Specification of Dual Tone Multi-Frequency (DTMF) Transmitters and Receivers; Part 1: General

standard published 09/01/2000 by European Telecommunications Standards Institute

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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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Edition: 1.1.1 Published: 09/01/2000 Number of Pages: 7

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