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Old 2nd Sep 2018, 5:26 pm   #10
Dave Moll
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Join Date: Feb 2005
Location: West Cumbria (CA13), UK
Posts: 6,118
Default Re: GPO exchange codes for charging dockets

I read that table as being for manually-connected calls as recorded on tickets prepared by operators. Presumably clerks calculating call charges from these tickets would have a table of distances of exchanges from the local exchange, and would multiply this figure by the number of minutes recorded on the ticket.
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