Adjective
DTMF (not comparable)
(communication) Abbreviation of dual-tone multi-frequency.
A few examples: * DTMF is an in-band, channel-associated register signaling system. Source: Internet
DTMF tones are used in some caller ID systems to transfer the caller ID information, but in the United States only Bell 202 modulated FSK signaling is used to transfer the data. Source: Internet
Commonly used are DTMF broadcasts over phone lines (direct connection or standard PSTN ) or over radio broadcast. Source: Internet
DTMF was known throughout the Bell System by the trademark Touch-Tone. Source: Internet
An example is dual-tone multi-frequency signaling (DTMF), which is used on most telephone lines to customer premises. Source: Internet
DTMF decoding algorithms often use the Goertzel algorithm to detect tones. Source: Internet