XPost: comp.os.linux.misc   
   From: nospam@needed.invalid   
      
   On Mon, 12/15/2025 12:49 AM, c186282 wrote:   
   > On 12/14/25 07:32, Carlos E.R. wrote:   
   >> On 2025-12-14 05:52, c186282 wrote:   
   >>> On 12/13/25 14:46, rbowman wrote:   
   >>>> On Sat, 13 Dec 2025 21:16:22 +1100, Daniel70 wrote:   
   >>>>   
   >>>>> On 13/12/2025 5:42 am, rbowman wrote:   
   >>>>>> On Fri, 12 Dec 2025 21:11:22 +1100, Daniel70 wrote:   
   >>>>>>   
   >>>>>>> So I brought one of those "Answer machine and Two handset" systems   
   >>>>>>> ....   
   >>>>>>> so now, if I get a call, I can let the Answer machine pick up the call   
   >>>>>>> and then, if it's a Real call, I can pick up the phone whilst 'they   
   >>>>>>> are leaving a message.   
   >>>>>>>   
   >>>>>>> If its a Robotcall, it/they usually hang up whilst my "I'm not here,   
   >>>>>>> leave a message" message is rattling off!Job done!   
   >>>>>>   
   >>>>>> That works for me. It was humorous when I got a new machine and didn't   
   >>>>>> bother recording a message, leaving the generic female greeting that   
   >>>>>> came with it. The first time my ex called and got the machine "You've   
   >>>>>> got a live in?" she asked.   
   >>>>>>   
   >>>>> Hey, have we got the same "generic female greeting"??   
   >>>>   
   >>>> Probably. Its not quite robotic and probably is a clip spoken by a real   
   >>>> human but is very bland.   
   >>>   
   >>>    My ATT unit has a fake male voice. That's PROBABLY   
   >>>    better because it implies there's a big strong man   
   >>>    living there instead of a 5'2" woman.   
   >>>   
   >>>    Have a spare one. Landline will probably be obsoleted   
   >>>    before I ever need it.   
   >>>   
   >>>    No caller-ID on the unit, but my phone does that.   
   >>>   
   >>>    Alas it can NOT detect spoofing. Pretty much nothing   
   >>>    commercial will. CID spoofing is mostly done by sending   
   >>>    the little data packet a tad EARLY, before the carrier   
   >>>    normally would. Yer device accepts the fake, and then   
   >>>    ignores the subsequent carrier update. This WOULD be   
   >>>    easy to detect ... except nobody bothers. Wonder why ?   
   >>>   
   >>   
   >> Not sure, but my guess is the hack was invented later.   
   >   
   >   I'd build a spoof-detector, but phone lines are   
   >   nefariously difficult to link to (legally). You   
   >   need a special transformer, rather narrow resistance   
   >   and capacitance specs. Any Pi, even a Pico, could   
   >   do the deed IF it wouldn't trash yer line.   
   >   
      
   Some of the older web documents have info about a topic like that.   
      
   " Electronics documents written by Tomi Engdahl "   
      
   https://www.epanorama.net/circuits/#telecir   
      
       https://www.epanorama.net/documents/telecom/telerecord.html   
       https://www.epanorama.net/circuits/teleinterface.html   
      
     Paul   
      
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