DTMF Circuits

  

 

 

News

DTMF replay phreaked out the Dallas tornado alarm, say researchers

The Register DTMF replay phreaked out the Dallas tornado alarm, say researchers The Register Strap yourself into the DeLorean: researchers from Duo reckon the Dallas tornado alarm incident was a case of old-style...

Apr 13, 2017

Pirate radio: Signal spoof set off Dallas emergency sirens, not network hack

Ars Technica Pirate radio: Signal spoof set off Dallas emergency sirens, not network hack Ars Technica Alternatively, they can also be controlled by Dual-Tone Multi-Frequency ( DTMF ) or Audio Frequency Shift Keying...

Apr 12, 2017

Сирены тревоги в Далласе взломали при помощи сигналов DTMF

Хакер Сирены тревоги в Далласе взломали при помощи сигналов DTMF Хакер Как правило, такие сигналы транслируются через Национальную метеорологическую службу, с использованием Dual-Tone Multi-Frequency ( DTMF ) или...

Apr 14, 2017

New BCM-440 Mobile Radio Now Shipping:

New BCM-440 Mobile Radio Now Shipping: - eHam eHam.net eHam.net Article: New BCM-440 Mobile Radio Now Shipping: - BridgeCom Systems, Inc is pleased to announce the availability of BCM-440 Mobile Radio for ......

Apr 24, 2017

DTMF Robot Makes Rube Goldberg Proud

DTMF Robot Makes Rube Goldberg Proud Hackaday Sometimes you start building, and the project evolves. Layers upon layers of functionality accrue, accrete, and otherwise just pile up. Or at least we're guessing...

May 27, 2016

Dallas siren hack: Coming to a city near you

Engadget Dallas siren hack: Coming to a city near you - Engadget Engadget At 11:42 PM last Friday night in Dallas, suddenly and for no apparent reason, what locals call the 'tornado sirens' went off. All of...

Apr 14, 2017

IntraNext adds TRUSTID'S Authentication Solution to its DTMF Touchtone Capture Software

IntraNext adds TRUSTID'S Authentication Solution to its DTMF Touchtone Capture Software PR Newswire (press release) ENGLEWOOD, Colo., May 18, 2016 /PRNewswire/ -- IntraNext, a leading provider of DTMF /touchtone...

May 18, 2016

Is My Emergency Notification System Safe from Hacking ...

107.180.56.147 (press release) (registration) (blog) Is My Emergency Notification System Safe from Hacking ... 107.180.56.147 (press release) (registration) (blog) ATI-systems ATI's proprietary system control...

Apr 14, 2017

Working with DTMF Transmission at the Packet Level

No Jitter Working with DTMF Transmission at the Packet Level No Jitter DTMF (Dual Tone Multi Frequency) was introduced by AT&T in 1963 as a way to replace pulse dialing and rotary telephones. Now, instead of...

Apr 20, 2015

Providing Optimal Customer Experiences Means Choices

Providing Optimal Customer Experiences Means Choices No Jitter In the 1990s we got the IVR (Interactive Voice Response), a technology that allows a computer to interact with humans through the use of voice and DTMF tones...

Apr 12, 2017

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