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Old 17th Aug 2020, 7:08 pm   #90
Dave Moll
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Join Date: Feb 2005
Location: West Cumbria (CA13), UK
Posts: 6,130
Default Re: A phone too far ...?

I would suggest replacing one of the two resistors in 'phone A with a strap if you wish it to ring, as the second resistor is probably reducing the ringing current in this 'phone below the minimum of what it needs.
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