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ETSI ES 201 235-1

Specification of Dual Tone Multi-Frequency (DTMF) Transmitters and Receivers; Part 1: General
standard by European Telecommunications Standards Institute, 09/01/2000
Publisher: ETSI

$7.00$14.00

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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