Calling Pink Floyd
[Corelatus] said recently that “someone” asked them to identify the phone signals in the 1982 film The Wall, based on the Pink Floyd song of the same name. We suspect …read more Continue reading Calling Pink Floyd
Category Archives: dtmf
Homebrew Telephone Exchange Keeps the Family in Touch, in the House and Beyond
It doesn’t happen often, but every once in a while we stumble upon someone who has taken obsolete but really cool phone-switching equipment and built a private switched telephone in …read more Continue reading Homebrew Telephone Exchange Keeps the Family in Touch, in the House and Beyond
How to Build Your Own Analog Phone Network
Analog phones may be nearly obsolete today, but having served humanity for well over a century they’re quite likely to pop up in drawers or attics now and then. If …read more Continue reading How to Build Your Own Analog Phone Network
Touch Tone MIDI Phone And Vocoder Covers Daft Punk
[poprhythm]’s Touch Tone MIDI Phone is a fantastic conversion of an old touch tone phone into a MIDI instrument complete with intact microphone, but this project isn’t just about showing …read more Continue reading Touch Tone MIDI Phone And Vocoder Covers Daft Punk
Build a Prop For a TV Premiere? Stranger Things Have Happened
Some guys get all the breaks. [Guy Dupont] had the honor of building a working, interactive wall-mount landline phone for the red carpet premiere of a certain TV show. The …read more Continue reading Build a Prop For a TV Premiere? Stranger Things Have Happened
DTMF To Your Computer, With A Gamepad
Though many of us will never have experimented with it, most readers should be familiar with DTMF as the tones used by the telephone system for dialling. If your youth was not misspent mashing 4-4-2-6-4-6-2, 4-4-2-6-4-1 into a keypad, then you haven’t lived!
As you might expect there are a …read more
De-scoping the contact center mitigates staff security threat
Sorry, this entry is only available in American English. For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language. Following claims that British Airways is still fa… Continue reading De-scoping the contact center mitigates staff security threat
3D-Printed Rotary Dial Keypad Is Wonderfully Useless
Right up front, let us stipulate that we are not making fun of this project. Even its maker admits that it has no practical purpose. But this 3D-printed Commodore-style rotary dial keypad fails to be practical on so many levels that it’s worth celebrating.
And indeed, celebrating deprecated technology appears …read more
Continue reading 3D-Printed Rotary Dial Keypad Is Wonderfully Useless
Hijacking Online Accounts Via Hacked Voicemail Systems
Proof-of-concept hack of a voicemail systems shows how it can lead to account takeovers multiple online services. Continue reading Hijacking Online Accounts Via Hacked Voicemail Systems
Simple Decoder Serves as Solo Ham’s Test Buddy
For a hobby that’s ostensibly all about reaching out to touch someone, ham radio can often be a lonely activity. Lots of hams build and experiment with radio gear much more than they’re actually on the air, improving their equipment iteratively. The build-test-tweak-repeat cycle can get a little tedious, though, especially when you’re trying to assess signal strength and range and can’t find anyone to give you a report.
To close the loop on field testing, [WhiskeyTangoHotel] threw together a simple ham radio field confirmation unit that’s pretty slick. It relies on the fact that almost every ham radio designed …read more
Continue reading Simple Decoder Serves as Solo Ham’s Test Buddy