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UPDATED: Well... looks like I've l̶o̶s̶t̶ won the battle against scam callers
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Bud:
Same idea was proposed by Microsoft on email spam, of course Microsoft would own the email servers  :D
There was huge outcry from the Public and the proposal was scrapped. That was somewhere around end of 1990's
gnuarm:

--- Quote from: tom66 on August 03, 2023, 01:06:00 pm ---I think a simple way to stop spam callers would be every VOIP call that lasts under 1 minute costs ~$0.50 to place.  This could be enforced by telecoms companies charging VOIP firms this amount.  Dunno if I'm a hopeless optimist but I can recognise spam calls very quickly.  Would also handle irrelevant telemarketing nicely.

--- End quote ---

It doesn't even require $0.50 per call.  $0.001 per call would bankrupt the spammers.  The vast majority of calls reach voicemail.  Those that reach a person are typically hung up as soon as the person hears the bot.  I expect the successful completion of connecting two humans on a spam call is around 1 in 1,000.  I have no idea what their success rate is of getting any money from people, but I don't think that's so important.

The problem is, such tariffs are international.  I don't know how the agreements are made, but I doubt such fees could be pushed back to the callers.  They are working through fly by night companies who connect their VOIP to the phone infrastructure.  They just fold up periodically and start anew. 
tom66:

--- Quote from: gnuarm on August 03, 2023, 06:48:17 pm ---
--- Quote from: tom66 on August 03, 2023, 01:06:00 pm ---I think a simple way to stop spam callers would be every VOIP call that lasts under 1 minute costs ~$0.50 to place.  This could be enforced by telecoms companies charging VOIP firms this amount.  Dunno if I'm a hopeless optimist but I can recognise spam calls very quickly.  Would also handle irrelevant telemarketing nicely.

--- End quote ---

It doesn't even require $0.50 per call.  $0.001 per call would bankrupt the spammers.  The vast majority of calls reach voicemail.  Those that reach a person are typically hung up as soon as the person hears the bot.  I expect the successful completion of connecting two humans on a spam call is around 1 in 1,000.  I have no idea what their success rate is of getting any money from people, but I don't think that's so important.

The problem is, such tariffs are international.  I don't know how the agreements are made, but I doubt such fees could be pushed back to the callers.  They are working through fly by night companies who connect their VOIP to the phone infrastructure.  They just fold up periodically and start anew.

--- End quote ---

It does need to be non-negligible, because the telemarketers / scammers in India are getting $1 per hour or thereabouts (average wage is $200 per month). So if you make the short calls they have to handle - the ones they get quite often - they are suddenly paying $10-20 an hour for these calls. Makes the whole thing impractical.

As for how the costs get passed on, the telecom company in the US charges the VoIP firm. No payment, no call.  The fee will eventually get pushed back down the chain, or the calls get blocked, either way it's a win.
Gyro:
I've had a persistent recorded message spam caller for a while, although the frequency seems to be finally decreasing. I just let it go to voicemail and then block each new number. The irritating thing is that the recorded message is in Chinese. If you must spam me, ffs have the brains to check the country code and do it in a language that I can understand!  :palm:
gnuarm:

--- Quote from: tom66 on August 03, 2023, 08:25:44 pm ---
--- Quote from: gnuarm on August 03, 2023, 06:48:17 pm ---
--- Quote from: tom66 on August 03, 2023, 01:06:00 pm ---I think a simple way to stop spam callers would be every VOIP call that lasts under 1 minute costs ~$0.50 to place.  This could be enforced by telecoms companies charging VOIP firms this amount.  Dunno if I'm a hopeless optimist but I can recognise spam calls very quickly.  Would also handle irrelevant telemarketing nicely.

--- End quote ---

It doesn't even require $0.50 per call.  $0.001 per call would bankrupt the spammers.  The vast majority of calls reach voicemail.  Those that reach a person are typically hung up as soon as the person hears the bot.  I expect the successful completion of connecting two humans on a spam call is around 1 in 1,000.  I have no idea what their success rate is of getting any money from people, but I don't think that's so important.

The problem is, such tariffs are international.  I don't know how the agreements are made, but I doubt such fees could be pushed back to the callers.  They are working through fly by night companies who connect their VOIP to the phone infrastructure.  They just fold up periodically and start anew.

--- End quote ---

It does need to be non-negligible, because the telemarketers / scammers in India are getting $1 per hour or thereabouts (average wage is $200 per month). So if you make the short calls they have to handle - the ones they get quite often - they are suddenly paying $10-20 an hour for these calls. Makes the whole thing impractical.

As for how the costs get passed on, the telecom company in the US charges the VoIP firm. No payment, no call.  The fee will eventually get pushed back down the chain, or the calls get blocked, either way it's a win.

--- End quote ---

It doesn't work that way.  Just like boiler rooms can spring up overnight, these VOIP routing companies spring up overnight and operate until they have to pay a bill or two.  The payments are not made in real time.
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