Definitions for multifrequency
mul·ti·fre·quen·cy

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1. multifrequencyadjective

   Of or pertaining to multiple frequencies.

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1. multifrequency

   In telephony, multi-frequency signaling (MF) is a type of signaling that was introduced by the Bell System after World War II. It uses a combination of audible tones for address (telephone number) transport and supervision signaling on trunk lines between central offices. The signaling is sent in-band over the same channel as the bearer channel used for voice traffic. Multi-frequency signaling defines electronic signals that consist of a combination of two audible frequencies, usually selected from a set of six frequencies. Over several decades, various types of MF signaling were developed, including national and international varieties. The CCITT standardization process specified the American Bell System version as Regional Standard No. 1, or Signalling System R1, and a corresponding European standard as Signalling System R2. Both were largely replaced by digital systems, such as Signalling System 7, which operate out-of-band on a separate data network. Because of the in-band transmission characteristic of MF signaling, the systems proved vulnerable to misuse and fraud by phone phreaking with devices such as a blue box. Multifrequency signaling is a technological precursor of dual-tone multi-frequency signaling (DTMF, Touch-Tone), which uses the same fundamental principle, but was used primarily for signaling address information and control signals from a user's telephone to the wire-center's Class-5 switch. DTMF uses a total of eight frequencies.

How to pronounce multifrequency?

1. Alex

   US English

   David

   US English

   Mark

   US English

   Daniel

   British

   Libby

   British

   Mia

   British

   Karen

   Australian

   Hayley

   Australian

   Natasha

   Australian

   Veena

   Indian

   Priya

   Indian

   Neerja

   Indian

   Zira

   US English

   Oliver

   British

   Wendy

   British

   Fred

   US English

   Tessa

   South African

How to say multifrequency in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of multifrequency in Chaldean Numerology is: 9

2. Pythagorean Numerology

   The numerical value of multifrequency in Pythagorean Numerology is: 9

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References

1. ^ Wiktionary
   https://en.wiktionary.org/wiki/Multifrequency
2. ^ Wikipedia
   https://en.wikipedia.org/wiki/Multifrequency