Final draft Version 1.2.1Access and Terminals (AT); Specification of Dual-Tone Multi-Frequency (DTMF) Transmitters and Receivers; Part 3: Receivers
European Telecommunications Standards Institute
/ 01-Mar-2006
/ 14 pages
Revision of ES 210 235-3 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.
This product replaces:ETSI ES 201 235-3 - Specification of Dual Tone Multi-Frequency (DTMF) Transmitters and Receivers; Part 3: Receivers