Re: A ''Shocking'' Lawsuit (1393539) | |||
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Re: A ''Shocking'' Lawsuit |
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Posted by pragmatist on Mon Apr 25 19:45:10 2016, in response to Re: A ''Shocking'' Lawsuit, posted by nasadowsk on Mon Apr 25 19:20:38 2016. Well, there were some lower and higher frequency combinations used (based on multiples of 16 2/3)used in multiple subscriber party line ringing, but I never worked on that. Also some PBX systems had 30 hz ringing, but that is still pretty slow. |