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Blue Box is a simple utility for generating and decoding DTMF (Dual-Tone Multi-Frequency) or touch tones as used in telephone systems. Play back touch tones at adjustable speeds to trigger touch tone operated systems or listen to tones that are being generated and display them. Blue Box also has a red box mode to play 5¢, 10¢ and 25¢ tone combinations that used to be used in US phone systems. Additional tones include dial tone, ring back tone, busy signal, 2600 Hz and a custom tone combination.<br><br>Warning: Blue Box is designed as an educational tool and utility. Do not attempt to use Blue for any illegal or malicious purposes. Blue Box can be used to assist in dialing numbers, but can not be used to manipulate digital telephone utility services.<br><br>Limitations: Blue Box is software based decoding and is processor intensive. Performance may vary between devices. Tones that are less than 100 ms with pauses that are less than 100 ms are difficult to process in software. Future versions and processors may increase the reliability of faster tone sequences. If you need touch tone decoding for higher speeds, a hardware solution is recommended.<br><br>Blue Box can not play tones into the iPhone phone feature while in a call.<br><br>Blue Box is useful for entering numbers into touch tone operated systems such as an answering machine passcode or a dial-up service that requires the entering of several touch tones to navigate a menu system. Simply enter the numbers once and then play back the numbers into the phones microphone with a touch.<br><br>Interface<br><br>The interface is as simple to use as a telephone. Simply press a button and it will generate a tone and display the corresponding character. Press the playback button and they will play back.<br><br>All graphics were designed for the Retina display on iPhone 4.<br><br>Favorites & Contacts<br><br>Decode a number you want to keep? Add it to your favorites, where it can easily be accessed and regenerated. Or, load a number for generating tones directly out of the contacts.<br><br>Have a number you would like to call? Hold down the dial button when using an iPhone and send the number to the phone feature for dialing.<br><br>Configurable<br><br>Various settings provide a way for the user to “tune” Blue Box to suit their generating or decode needs.<br><br>Adjust tone length and pause length<br>Adjust pause character length<br>Adjust listening trigger threshold<br>Adjust number of samples for a tone<br><br>STEREO/MONO - Play one tone on each channel or play the mixed tones on both channels.<br><br>Built-In help file<br><br>With a built-in help file, understand how to “tune” Blue Box for particular decoding and generating needs.
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If only the author could get the correct tone matrix for the Blue Box. Wikipedia and other sources have the list of tones required. It should be easy to fix.
Unfortunately this app does not work for me. After switching from dial to listen back to dial the output seems to be muted. Need to restart the app to regain output again. Listen mode only picks up noise, but no actual tones. Tried to adjust settings, but it got only worse. Installed a different app to decode tones which worked out of the box.
Idk why this didn’t work at first. Without updating it now works. Sorry for the poor initial review!
Back in the late 60's and 70's, when AT&T deployed #5 Crossbar switching systems, Blue Boxes were used to emulate the in-band signaling needed to route long distance telephone calls and "surf" the dark unexplored recesses of the long distance telephone network. #5 Crossbar was phased out and replaced with SS7's "out of band" signaling in the late 70's through early 80's rendering the blue box an impotent artifact of ancient history. Nevertheless, the novelty and folklore of the devices continue to persist. I would have liked to have rated this app 5 stars, but had to deduct 2.5 stars because the app name erroneously lead me to expect a DTMF encoder that actually emulated the tone matrix of a true "Blue Box" on the iPhone. When the author includes the correctly tuned matrix in the app I'll update my rating. There's no longer any applicable reasons not to (and haven't been for almost 3 decades). I also had some difficulty with the decoder and subtracted a half point for failing to buffer the touch tone strings detected by the software to work around the frequency detection / number identification issues. Otherwise, the app does everything else it claims, and the ability to adjust pulse and interval lengths was a nice touch. Please fix the frequency encoder and allow the user to switch between Blue Box DTMF and "standard" DTMF.
Either it is incomparable with the iPhone 5, or iOS 6, but the decoding feature, which is the only reason I bought it (who needs to listen to dial tones?) is not working. I read all the trouble shooting methods, but it is obviously a version issue. Will be slightly less of a waste of money if they ever update it. Still don't know if its worth 3 bucks just for a decoder, but I needed one for work, and had to have it. What a let down.
Developed by Sunshine Valley Systems.
Blue Box is ranking in Utilities & Productivity
Last update was at Dec 02, 2016and the current version is 4.1.1.
To see all other keys and revenue click here 391832739
Blue Box have a 5a user reviews.
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