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Old 18th May 2019, 2:13 pm   #10
Dave Moll
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Join Date: Feb 2005
Location: West Cumbria (CA13), UK
Posts: 6,118
Default Re: GPO/BT Call Progress Tones?

The NZ NU tone is an interesting one! It sounds like the Morse code for "H" repeated over.

Given that the Australian and NZ numbers start with their country codes, it left me wondering whether there is any significance to "08" of the UK ones.
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