“Reverse Dial” has always appeared to be a legacy that a few Telcos had to
accommodate when any new equipment was approved and purchased for connection to
Zealand and Norway are two countries where the dial numbering (shown in the
following pictures) in the decadic systems was (almost) the reverse of nearly
every other Western country.
“Reverse Dial” (NZ, Norway)
key similarity between New Zealand and Norway’s electromechanical telephone
systems installed in the mid-1930’s was their simultaneous use of the ROTARY
7D telephone exchanges.
the ROTARY 7D system didn’t by itself require a different numbering layout on
the dial, it did have some unique features.
In 1928, LM Ericsson acquired a majority interest in the A/S Elektrisk Bureau based in Oslo (Kristiana).