Click here

DTMF

Short for Dual Tone Multi-Frequency, the system used by touch-tone telephones. DTMF assigns a specific frequency (consisting of two separate tones) to each key so that it can easily be identified by a microprocessor.



Top Terms

Connect with Webopedia

  • The Difference Between Adware & Spyware

    Not technically fitting into either the virus or spam category we have spyware and adware, which are growing concerns for Internet users.

    Read More »

Did You Know? Archive »

  • Quick Reference Archive »