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Lately, we've been getting a LOT of telemarketers and spammers calling our home line, evn though we're entered in the national Do Not Call directory.
The other day, I unearthed a Pentium 1 in my basement - it had a dial-up modem in it, and we could actually manage to send a "phone call" made of a horrible screeching, grating sound.
I was wondering if there's any way to use this to answer an inbound phone call.
Our current setup is this: we have a phone connection, and an internet connection. There are 2 phone jacks in the wall (each one is a full hookup.) We have a DSL filter hooked up to one jack, with its outputs going to the Modem and the Phone.
What I'm envisioning is this:
- Telemarketer calls us.
- We check the CID, confirm it's a spammer (the same 3 or so are calling us OVER and OVER and OVER...)
- We quickly run over to the Pent. 1, and click something, maybe a batch script or similar, that would do this:
- Tap into the phone line as a normal handset
- Attempt to perform a dial-up handshake.
- Salesman: "?????"
- PROFIT! (Well, maybe not profit, per se, but it will certainly be nice not to be spammed every 5 minutes...)
So, if anyone could help me out with this, that would be nice.
P.S., if this is illegal (harassment, spam, etc.,) just answer it as a hypothetical answer to a hypothetical question. (I may need some hypothetical troubleshooting, as well... ;)
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If you are in the US, then the FTC recently put its database of Do Not Call complaints online. The collection seems to include a lot of "call localization" or "CLI localisation" numbers, where a call center uses a local number (same area code) to entice someone to answer.
– jww – 2019-02-26T06:59:16.3501This is certainly an interesting idea - but if you're planning to check the CID manually before engaging the modem, you could pick up with just about anything. Maybe stop at the hardware store and buy an airhorn? Getting the p1 with the modem to do the screening for you would be a really cool trick. – Fopedush – 2013-04-23T23:48:10.070
@Fopedush Actually, our phone has a noise-regulator: you blast an airhorn into it, it cuts out the sound for a second. However, getting the P1 to check the CID (and automatically extend a 'greeting') would be pretty epic. :) – JamesTheAwesomeDude – 2013-04-23T23:54:04.897
14I think it is harassment/spam (but not by you). Also I believe it's everyone's right to answer the phone screeching like a velociraptor. – Dracs – 2013-04-23T23:56:27.633
If you had the right software you could add the 3 spammer to the address book as fax numbers and it would treat them as such. However, I have not used fax software in eons so I can not help you pick one. – cybernard – 2013-04-24T00:20:55.457
@cybernard Faxes would be fine as well, just as long as that digital goodness is being crammed through the phone line and into someone's ears. ;) However, I am absolutely unfamiliar with Win 95, and basically everything in the previous generation (dial-up, fax, etc.,) so I would not know what I'd need to do.. – JamesTheAwesomeDude – 2013-04-24T00:28:05.497
1Can't you report those spammers and their numbers to the authorities who can take action against them (fines, cancelling license etc.) for harassing people on the Do Not Call list? – Karan – 2013-04-24T01:07:23.877
1@Karan Ehh, I'm not sure why my parents haven't done it yet - it doesn't seem to bother them... This way is much more fun, though! >:) – JamesTheAwesomeDude – 2013-04-24T01:23:02.193
1IIRC a modem can be configured to automatically answer the call after X number of rings. If you had an external modem, you could wire up a DB25 connector to fool the modem into thinking that there was a PC connected. – sawdust – 2013-04-24T06:25:33.893
Depends on whether it's an originate-only modem or an originate/answer one. Most old modems were (and I think that most newer modems still are) originate/answer and more or less implement the old SmartModem protocol (which now has some IEEE or ISO or whatever standard name). – Daniel R Hicks – 2013-04-24T11:38:11.583
1@Karan - Reporting violations of Do Not Call is usually wasted effort. (But do it anyway.) – Daniel R Hicks – 2013-04-24T11:39:37.530
@Karan - First off telemarketing is down 80% in the US since the DNC registry came out. However, simply calling someone on the DNC list is not a violation. A lot of people do no realize that being on the DNC registry doesnt mean you cant be called. There are legitimate calls that exempted from the DNC list, as well as people dont read the fine print when signing up for services that state when you give them your number, that they can call you. Other rules like, if you purchase something from a company, they have the right to call you for up to a year... there are a lot of rules... – Keltari – 2013-04-24T12:29:12.940
@Keltari: Meh, I'm not here to debate the pros or cons of complaining, or whether indeed the OP's parents unwittingly gave the telemarketers permission to call. It was a simple suggestion and I guess the local laws in effect will decide if it makes sense. Anyway, back to the technical part of the discussion... – Karan – 2013-04-24T16:29:31.860
3Wouldn't it be awesome if there was some way to employ a voice recognition system and Eliza-type chatterbot AI to keep these guys engaged in a lengthy fruitless conversation?! :D – Karan – 2013-04-24T16:38:48.820
@Keltari Ya, when my parents said they were on the "Do Not Call List", I thought that they just entered their phone number into some random site on the internet that promised to stop Spam forever... I was thinking "oh, big surprise, spamemrs are calling you without your permission." This incident has somewhat restored my skepticism of the DNS's significance... :/ – JamesTheAwesomeDude – 2013-04-26T03:56:14.560
@Karan - not the quite what you mentioned, but someone just patented what is basically a verbal CAPTCHA system to prevent robocalls. – Keltari – 2013-04-26T04:04:26.807