Definitely not Swedish. While the design might be, the pulse coding was different than nearly anywhere else. In Sweden zero was first, usually it's last. https:

Definitely not Swedish. While the design might be, the pulse coding was different than nearly anywhere else. In Sweden zero was first, usually it's last. https://sv.m.wikipedia.org/wiki/Telefon#/media/Fil%3ADialog_1966_grau.jpg https://sv.m.wikipedia.org/wiki/Telefon#/media/Fil%3ADialog_... In some country I have seen reverse coding, i.e. increasing number dialled gave decreasing number of pulses. Maybe Norway??? Big endian vs. little endian is not something new that came with digital computers :) Edit: Only Oslo (different from the rest of Norway) and New Zealand had the inverted coding.