How to Wiretap Phone Line with DIY Circuit
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- čas přidán 11. 06. 2018
- Had to reupload! see comments. I like to record my phone calls directly on camera… for research purposes… so I designed some circuit to wiretap the land line directly to my camera audio input.
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Jörn Höfer
By: Mehdi Sadaghdar - Věda a technologie
I drew the winner of the Keysight Scope! The lucky guy is:
- Luis Enrique G. S.
Thanks everyone to enter the draw. FBI pays good money for your emails, HAHAHA! Just kidding, they already have all our emails...
ElectroBOOM Loved the Sherlock Holmes impression at the end of your other video I actually lol’d! And I want that pipe! 😂
Can you ask Snitch if he has a friend called “snatch” and see if he can get me an oscilloscope out the back door? 😂
Keysight please look away from this comment there is nothing to see here.....*cough*
That lamp made me jump out the chair!!!
Youre really a genius @.@. Notice me senpai.
Cer.A4 DOTA takes one to know one.......... well played.
ElectroBOOM is
Holy shit that lamp scared me
same here xd
I too want to beat the sh*t out of that lamp
I nearly jumped off my chair.
Never been more scared of a lamp in my life
Me too
"Why is it that i die a little everytime you call"😂😂😂
So many layers........
@@jamessaunders2559 Why did I click?
That was so good 😂
@@jamessaunders2559 I KILL Myself by reading that BTW
James Saunders I am speechless
I always love the free-floating circuits without a breadboard or PCB, adds an extra level of chaos.
Chaotic evil circuit design
Back in the day they sold televisions made like that!
A dozen valves, dozens of passive components, transformers, all made by soldering components directly to each other, and to the pins of valve sockets. Sometimes they'd have a tag strip, a strip of phenolic-impregnated paper, early PCB material, with metal tags with loops on each tag, attached along either side. The tags weren't connected to each other, unless you wired them together, but usually components just spanned between them, and each other, and the valve sockets etc, flying through the air (flappin' in the breeze!) like some sort of scifi architecture!
Then one day somebody invented the printed circuit board and it all got a lot more boring, though probably safer, and allowing more complex circuits to be made. Imagine a PC, with it's 8-layer motherboard and hundreds of tracks, replaced by wires zooming around the place and chips hovering everywhere. Would look like a Shenzhen rat's nest!
@@greenaum lol I feel like it would be literally impossible to hand wire a motherboard just from a volume/length of wire standpoint. I wonder how far back you have to go before you could do it? Could be an interesting (if incredibly difficult to impossible) project if you used a motherboard simple enough.
@@MotorcycleWrites The Turing Machine is probably one of the closest examples.. Although only just barely a computer.. ENIAC or the Mk 1... Although they likely used some form of circuit board.. (Please don't fault me for not having a vivid memory from what few actual photos of any of these I have seen in my life). Or the Bomb device used to decrypt signals from German Enigma machines... Again, a computing device, not quite a 'computer'.. close enough though. These can be faithfully rebuilt for the sake of doing so.. There are existing examples in museums of exact replicas. Imagine the type of mind it took to literally script programs using binary code on such long rolls of paper... And then rudimentary assembly languages on punch cards.. Thank the Mechanical God for CRT Displays...
HOT GLUE
Love how he didn’t want any electrical shenanigans to happen with his camera so he used a lamp to add some excitement instead😂😂
I’m so glad I found this channel again.
Welp, if nothing band's happen, you gotta make the chaos yourselves
Circuit isn't warm...Everything looks goo-
*LAMP ATTACK*
"and that's for not shutting me off after you sleep idiot"
*Stupid f***ing lamp! Where did this come from?!*
HasPrivilege lmao
@William Mulreed your profile picture is cool! Hooray for Windows
7:04
One of his personalites must've threw that lamp.
LOL, most likely
It was ElectroCUTE
Well, that other personality might have _thrown_ it....
LOL, @@Sharpless2, what would that be?
Well, I don't know how you get anal sex out of that, @@Sharpless2. Just being a brown sweety while needing to poop works, though.
5:31 that was the calmest "full bridge rectifier" i've ever heard from you.
Theory: When Mehdi gets shocked quite hard, he actually dies and gets replaced by one of his personalities, there is an infinite amount of Mehdi.
Mehdi is love.
Mehdi is life.
My brain is exploding like mehdi's capacitors
@@blanana_m lmfao
I was waiting for something to blow up and then the f*cking lamp happened.
LOL
I was walking across a road with no cars than a truck happened right in front of me!
"Never set a bad example" -ElectroBOOM, shortly after licking a live wire :)
coryman125 well, I guess we all learnt not to do it ahah
More like after every ElectroBOOM video ever
If he licked a live wire and pretended not to be shocked he would set a bad example. Showing that it's somewhat safe but painfull is setting a great example
but that's a good example, you lick phone line, you get a shock
wooooosh
1:25 "NEeeYEhHh!" 🤣
Patrick Daniel Herpuji wungkana how isn’t this top comment 🤣🤣🤣
@@jamssgrogan5616 it isn't a line in a joke.
Haha but its 1:26
I died by laughter 😂🤣🤣🤣🤣🤣🤣🤣🤣🤣🤣
More like "MEEOOOOWW"
7:29
ElektroBOOM:"change the audio input to the phone line and die..."
Me:"you do that in every video..."
Im already a huge fan of the 'Full Bridge Rectifier'
I really want the t shirt but ya know.. Priorities and shit
@@maff909 what priorities lol. It's just a shirt. Buy it if you like it. And if you can't at the moment, save up
Full bulge rectal fire LMAO 😁😀😂🤣
@@maff909 me too buts sadly i live in poland
Same but I don't even know what it is
7:00 I'm pretty sure everyone was waiting for something and the lamp happened
you got it XD
@@RaTcHeT302 legit jump-scared me. (I am always easily startled)
Yeah, I anticipated a capacitor blowing up way earlier
@@TeakKey7 as a Minecraft fan I recognise the cat face.
*Lamp attacks ElectroBOOM Desperately!*
7:39 sounds like something you would here in a dank meme
Bass boosted
😂😂😂
2:53 imagine if the government wanted to wiretap mehdi's phone 🤣
Ikr😂
🤣🤣🤣
uuuuuuuuuuuuuuuuuuheluhelu huhuuuuuuuuuuuuuuuuuuuuuuu
🤣🤣🤣
Does anyone have the number sounds of 7:42?
Jeez! Had to reupload the video. Some smart people were decoding my cellphone number from caller ID noise in the video!
Anyways, feel free to post questions or comments in ElectroBOOM subreddit: www.reddit.com/r/ElectroBOOM/
ElectroBOOM Oh My GOD, How is this possible?!!!!😱😱
ElectroBOOM not even mad. That’s smart!
Hi ElectroBoom!
Very nice videos!
Greetings from Greece!
Lmao I bet they have to be pretty bored to try to decode this caller ID just to call you
Salam medhi Jan, can you do a persian language video, Haha Merci
4:56 Circuit Designing Intensifies!
Can confirm the process is depicted correctly.
0:48 has me dying laughing for weeks now.
Just like that other video where he says “and you can see, there is no current across these wire when I touch i… *ZAP* Oh sUGAR!”
He literally awakened a new cat boy personality lmao
7:38
Ah yes. 48 volts. Fuckin hilarious
@@WilburJaywrightWhat video was that?
7:43 I remember that! It was like the noise of a dial-up modem. How interesting analog communications filled with digital stuff are!
When the electricity doesn't get him, his light fixtures do.
Steets or his soldering iron
They are both electric appliances, so you could say that the electricity still got him ;) .
LOL that slap to the face scared me [0:35], but had me in tears
Jesus that lamp drop around 7:03 had me jump out of my chair.
I swear he's out to get me
Crucial Muzic same
It even scared me even though I saw this comment first! Holy crap!
0:36
When ElectroBOOM says "Everythign is good!" its 1000% obvius that after a couple of seconds something bad will happen!
That fucking lamp
U ever had a jump scare that felt like a jolt of electricity... well me too thanks to that lamp at 7:07...
That lamp bombed on his ass🤣🤣🤣
czcams.com/video/QTT5iHCHSn0/video.html
"Pretty harmless voltage"
0:53
MMAAUUGHH #### it hurts 0:53
@@tanyafigueroa6048 it hertz
i love the seamless blending of actual good advice with the comedy. this man is a genius.
When you shocked your tongue, my motion light in my house turned off above me at the exact same time. Couldn’t have been timed more perfectly. And it makes a loud click when it turns off. Talk about 4D...
That's still just 3D unless the thing fell and hit you in the face. ;)
4:57
*this is quite literally how my dad plans*
"Now let's design!"
*[existential crisis with funk accompaniment]*
Wait
Phone line --> Free electricity?
Rule #1 of electroboom. . .broken
Don't forget the spooon
**ELECTROBOOM WANTS YOUR LOCATION**
@Chance Plays Is it though? Your phone compabybmight think you're using the phone and thus charge you for it.
Sorry. The line cards monitor current draw. You will get a visit if you do that ! I used to look into issues like that when I worked for Openreach.
*Fun fact:* The term for the polarity of the phone line, "tip" and "ring", refers to the connectors on the switchboards operators used back before tone based switching. It doesn't mean any type of signaling, but rather it refers to the shape of the connector which is reminiscent of a quarter-inch mono channel audio jack. So it literary means the "tip" (+ side) of the audio jack and the "ring" or "sleeve" (- side) below the tip of the audio jack.
The GPO switchboard plug was more pointy than the standard 1/4" audio stereo plug to make it capable of rapid insertion and less wear. Tip and ring went to the twisted pair and sleeve to earth.
To be honest, really thanks for facts, thank you guys
Here in the USA, The line voltage is around 48 volts when off. Ring voltage goes from 0 to 96 volts. When you pick up the hand set, the line voltage drops to around 6 volts.
What is the voltage for each key?
@@DaiShuryoTechnus there isn't any difference really as far as I know. Old rotary phones work via pulse dialing so 10 short pulses (the clicking of the rotary) means a 0. With old systems you could literally fake this by pressing the button that hangs up the phone in a proper maner. Very difficult though but not impossible. The pulse is literally closing the circuit really fast, this video shows it with an LED: czcams.com/video/2JlGYetRfi0/video.html
Modern phone lines work with tone dialing where a frequency is sent for each key instead of pulses.
Your videos are so much smoother and the effects are more complex ever since you said you were watching some SkillShare videos for video editing, it really does show progression!! Out of all of the paid promotions I see on CZcams, you portray them in a humours, fun, yet also effective way that convinces me to actually try them! Your videos are the only ones I watch on CZcams, that I don’t skip right passed them. Medhi, you are truly a daily routine for me, and I hope you NEVER stop absolutely loving what you do! You don’t know me, but YOU are an unfathomably important person to me.. Thanks for existing, and for being seamlessly prosperous doing it!
7:40 tfw the bass drops O.o
RIP Headphone USERS
M E M E S
👌 BOIII 👌
ikr
Lune shit got me
THAT LAMP! GOT ME THE 2ND TIME!
Nothing same
Fuckin made me jump!
Nothing I was so scared
better then a horror film!
My heart was beating very fast. omg!😱
You have discovered the best way to teach electronics to young people by being very funny. I have 50 years of experience in electronics and I find you very funny. This is the best way to make people love learning electronics. Trial and error. THANKS. And you are a Canadian. I am proud to be Canadian.
Hi. Len from Ontario, Canada. I know that I am few years behind but I must say that I love your videos and especially your very generous giveaways to schools, etc. Thank you. [a thought just occurred to me- I would add a cap to the ground connection of your circuit to absolutely disconnect any DC component from the phone line to the camera or better still a transformer.]
7:06 my cat literaly jumped from my lap when this happened
lol
Sorry ElectroBOOM.. I just wasn't happy with the second mention of the full bridge rectifier at 5:30. It MUST be said with the usual gusto & feeling, so.. FOOOOL BRIIIDGE REEECTIFIER, ok ;)
John - Orbiter I agree.
Agreed
it's RECTIIFAYAAAA
Also, nothing blew up real good. Son, I am disappointed.
Nothing blew up because he used a fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
Read more
1:22 Anyways, this DC level is pretty safe on skin
*2 seconds later*
NYEH! ... SH*T!
“Why is it I die a little whenever you call”.. subscribed
Phone lines support classics for sure. My 70 year old Western Electric Model 302 phone still works fine. I even made a recording of its bell ringing and use it for the ringtone on my mobile phone.
7:40 Dat BASSSSSSSSSSSSSSSS!!!
Someone raged on the other side of the line
👌
Jeez I have a 300 watt 8 inch sub it was so loud!!
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7:41 what mad lad was finding his phone number with that sound like wtf
He had to mute out the original sound. The individual tones, like when dialing on a keypad, all have their own unique sound. That’s how automated phone systems can do stuff like “Press a number to be transferred to X department”. So someone was just recording the original dialing tones and then feeding them through an online decoder
ElectroBASS BOOST
BRRRRRRR
After that sound you heard there were rapidly changing number tones (like the ones you hear when you press the numbers when dialing) in the muted part. That's how landline phones are able to show you who's calling. That tone sequence is the Caller ID, and people were decoding it manually.
Residential POTS lines are normally-open 48v D.C. circuits, the “hook” is a switch that closes the circuit which allows a dial-tone. Your particular “line” is a loop referred to as a “local loop” which terminates at a telephone switch operated by your carrier. In a business, typically you would have a PSTN telephone network that connects to a PBX that directly handles internal calls to extensions, the PBX will also have either an ATA that converts analog to SIP and connects back to an IPPBX in a VoIP system in a hybrid network or to a 23 channel PRI, usually a T1 interface back to your carrier for external calls. From that point on the infrastructure will remain the same as a residential one except businesses typically have multiple lines/subsequent numbers. The infrastructure within the walls of your company will typically fed by a 25 or 50 pair whip punched down into one or several 66 block(s), or 110 block(s) depending on the architecture of the network. Those blocks can be daisy chained/piggy backed together or be fed directly into another 25 or 50 pair amphenol whip connected to a voice gateway and out to a provider. T1 PRIs are significant because they are 24 channel circuits (in North America) at 1.544mbps bandwidth that operate at a set rate (hence PRI “primary rate interface”) controlled by the DS0 or framing channel which allows the line to operate at a set and predictable rate (enabling a clear voice call)....could go on for days
R.I.P Electroboom
Got killed by floor lamp
Press "F" to pay respects
F
"F"
02:00
F
F
7:40 the new XXXTENTACION song sounds great
Ik
as a music producer, the first thing I thought when I heard that was "damn that sounds filthy :D"
I always inserted a small 1:1 transformer to eliminate potential for ground faults. That way the signal can be used as in input to any device.
Love your talent with the eyebrow...cracks me up every time
7:40 I'm permanently deaf now
finna nut finna nut u watch rekt
ShockBlitzer what why
same
Lol
I'm pretty sure you already know that but I'm going to say it anyway: The camera outputs DC voltage, because it was designed to support electret microphones. :)
phantom power?
Не очаквах да те намеря тук.
@@AmigosOfTheTrail It is not phantom power, the electret microphones have a small field effect transistor to amplify its output.
@@AmigosOfTheTrail yes
This guy is awesome. It makes my head hurt Everytime I watch a video but the guy is a genius. Makes everything look so easy and I would have no idea where to even begin lol
I like this guy. He's funny, entertaining and knows his electronics.
I like your community for decoding your phone number from the recording. They not only know how caller id works, they even make the effort to download the video, cut out the important part and then decode it just for fun.
I was actually studying this this semester in my uni and we had some lab classes about this but still I find this video very educative given the way you approach this. Thank you for existing. Can't wait for more videos of yours :)
6:47 The Tension was immense! Suddenly lamp
You are doing great.👍👍😎.keep making videos .I am big fan of your informative channel.
"Never set a bad example"...
...have you watched any of your other videos?
"Never set a bad example"
"Wiretap Phone Line DIY"
Lol
But he says dont try this at home 😉
....that's the joke
Sherlock Holmes
The DC output on the camera's input could be to power electret mics. I recently saw a video where someone found some of their cameras did, and some didn't, and none of them documented that being the case.
Kit Vitae also possibly some other addons from the camera's brand
In any case, I'd add a cap to both ends of the pairs. If the low side of the circuit drops down to -45V, you are in for a super good time.
Probably phantom power for condenser mics. Pretty common in pro audio. it would be 48V if so.
It's probably not for professional condenser mics which take 48V nominal (usually work from 9V or 12V and up, so much of the cheaper phantom host gear doesn't bother with full nominal voltage), but for electret capsules, which take something like 2-5V via a couple kOhm current limiting resistor. It might be conditional, i.e. they might be measuring the impedance of the microphone, but you normally expect electret mics to be directly supported by cameras.
Makes sense, its been ages since i've used a camera, either way it's to power active (non-dynamic) mics. I remember there being a phantom setting on the Canon SLII but again, this was ages ago and likely things have changed a lot toward lower voltage active mics.
Very very well done for your help with school and education
Mehdi: _"How to Wiretap a Phone Line using DIY Circuit"_
CIA: *CIAwouldliketoknowyourlocation.exe*
Also CIA: *_manipulates floor lamp using psychic telekinesis agents to assassinate Mehdi_*
Underrated
Mehdi is only a screen persona ~ do not attempt to imitate really Hot Ticket Trains
Laughs in linux
4:56 when your doing math homework
When you fail it 0:36
you're
You're*
but whats the name of that song
even better at 1.25x speed
Saw the reason you reuploaded the video. Really didn't know this could be done.
Stay safe Great Rectifier!
Thnks for giving so much practical knowledge ....
Your videos make me 10x happier
7:04 First time i didn't expect what happened
Rydzu 102 I just jumped
Rydzu 102 I admit I jumped when that happened.
@4:57 *MEHDITATION*
YOUR MEHDITATION MAKES ME HIGH.
@@ChadKakashi thanks to FULL BRIDGE RECTIFIAAAAAH
@@ChillFrost NEHDITATION.that name of his channel makes me laugh😂😂
electroboom: *can finally have a video where he doesnt get hurt*
lamp: *im gonna do whats called a pro gamer move.*
CZcams needs more of this kind of content provider.
Sites like TikTok, Troom Troom, and 5-Minute Crafts rot the brain.
0:57 I T *H E R T Z*
OHM-968692 I see what you did there.
Ohm my god
AtlasUltimate nice one
@@humanbeing4501 yes but it *S H O C K S*
AC you. 😎
7:30 hmm let’s turn it up a bit to hear the phone line
*h r b l g r b l h b r l g b*
Lmao
69th like
what's so funny jerk
Let's DIE
Human Antenna remote neural monitor video would be a life saver. Brain mapping remotely. Great piece of knowledge here thanks
I used to do this by just wiring the ring and tip wire directly into a mic port on a recording device. No circuit or resistor just straight in. Always worked fine for me.
5:30 smoothest "full bridge rectifier" of history
He has made a history.
"why is it that everytime you call i die a little" ahahaha xD
Eagles_Eye it's "why is it I die a little every time you call"
It's already at 69 likes, I can't like sorry!
bro got the same camera, nice work even after 5 years i still enjoy it
I like the look of those keysight 'scopes, but just can't afford one right now, but that said, there should be plenty of older 'scopes on eBay etc.
I remember building a similar circuit many years ago, but never really got it to work properly. I seem to recall that it prevented anyone from making outgoing calls - Not a bad result really, considering that I was the one paying the phone bill!
ElectroBOOM, the DC voltage you see from the camera as soon as you start recording is the supply voltage for electret microphone capsules. It is commonly called "plug-in power" and is present on the microphone input of almost all consumer devices since the 80s, like walkmans, PC soundcards and laptops, cameras, etc.
I have very little knowledge of electronics but I love watching your videos, but in order to understand all of the components I need to rewatch the basics every ~ 6 months, so explaining each component on these small circuits can actually be veeeery good for you on a long run, your videos probably will be used in schools worldwide. Also you can just add a layer of text on the video, just copy paste each time you edit for the circuit component you are talking about, or just ELI5 all of the circuit. I am IT engineer and love your videos, I know you prepare for them but honestly they are way more entertaining to people that learned this stuff in school.
last two days im on a marathon of your videos and in every video u giveaway those scopes. Like every keysight scope I will ever see will be from your giveaways lol
Theoretically, you could connect a speaker and a microphone to the phone line, then add a switch to connect and disconnect the load to tap out pulses to dial out like an old rotary phone (at least in the US, pulse dialing is still supported).
7:40 I WANT THAT KIND OF HOME PHONE RINGTONE
It's the Voltage to ring the Bells on a Rotary phone and early Touch Tone Phone's
Ring the bell rem8x with seesaw@@doramilitiakatiemelody1875
Haha! When I was a kid i wired an extension to my mom's sewing room so that we could have computer with email (mom said Internet was the devil.) Everything was fine until someone called us and I got surprised by 160 volts:P Of course I didn't realize exactly why this had happened until I went to the library the next day to search Altavista.
My efforts were rewarded by discovering a problem with Juno's ad proxy software where there was a particular ad that gave me unrestricted Internet access at home, hence I learned being electrocuted is a good thing :)
KatjaPurrs that’s cool
did a lamp hit you to?
0:54 Phone lines into tongue.. I don't know if it's good or not.
Good video! Keep it up.
Nice video, but If I was about to design something that I want to make sure don't destroy my "camera", I would use a Optocoupler to separate the external source !
4:57 had to watch this part over and over. Brilliant!
That's what companies expect their engineers to do when they hire them haha
7:07 IM IN TEARS!! XD
this chanel is gold
I really like the way you say 'FULL BRIDGE RECTIFIER!'
I using headphones at 7:40. (Earrape). Lol
James Saunders czcams.com/video/D2gQ9V7Ow80/video.html
RIP
Triggered
Bass drop!!!
Im using earphones on max volume
The force with which electricity hits you depends not only on the voltage, but also on the amount of current (just in case).
School giveaways sound like a great idea, that's cool
The lamp falling was great 👍. Love your content! Keep it up ☝👍
3:01 haha remembered my child hood
7:52 he sounds like from a film in 80s
I wonder if electro boom could do a video on how cb works, or hooking a cb radio to something it’s not supposed to be hooked up to
3:00 ROFL!! I want this for my ringtone!! 😂😂😂
You always deliver the BOOM! Thanks
:O Wow! In Germany we switched to complete VoIP quite a while ago already. So I think this wouldn't have been possible here to experiment like that. And I thought we were back in stoneage since we barely anywhere have fiber to the building...
Nice videos, electroboom ! I always laugh at one video.