Differences

This shows you the differences between two versions of the page.

--- dtmf [2006/03/21 19:51] – created smashtv
+++ dtmf [2011/09/17 17:26] (current) – dougster
@@ Line 1: / Line 1: @@
+. Acronym for Dual Tone Multi-Frequency, the system used by touch-tone telephones. DTMF assigns a specific sound frequency, or tone, to each key so that it can easily be identified by a monitoring microprocessor. That frequency is then translated into a usable analog or digital signal. This is commonly known as Touch Tone.\\
+. Audible tones which conform to North American Telephone Standards. These are generated by push-button telephones to dial telephone numbers, as well as to provide control or data input to voice processing systems. Especially significant in the operation of most automated attendants and Fax/data line sharing devices.