4 ms·

Your chart isn’t quite right— Q and Z aren’t (or weren’t) generally present: https://en.m.wikipedia.org/wiki/Telephone_number#/media/File%3ATelephone-annees-60-

by kd5bjo 6y ago

Your chart isn’t quite right— Q and Z aren’t (or weren’t) generally present: https://en.m.wikipedia.org/wiki/Telephone_number#/media/File%3ATelephone-annees-60-p1010020.jpg https://en.m.wikipedia.org/wiki/Telephone_number#/media/File...

eythian 6y ago
Depends, I used to have one of these: https://www.geekzone.co.nz/forums.asp?forumid=39&topicid=114839 https://www.geekzone.co.nz/forums.asp?forumid=39&topicid=114... Though the chart is still wrong according to that, however it (the chart) does match what my Android phone's dialer looks like.
dredmorbius 6y ago
the Q & Z assignments shown are typical. That said, few text-based phone numbers include these characters, for the obvious reason.
kps 6y ago
You're correct, which appropriately enough is why you're downvoted. The letters were placed on telephone dials when telephone ‘numbers’ used a mnemonic exchange+digits format¹, so there was no requirement to include the entire alphabet. Advertising mnemonics like the one in the grandparent comment came later, and entering arbitrary text such as names, which actually requires the whole alphabet, much later. ¹ https://en.m.wikipedia.org/wiki/Telephone_exchange_names https://en.m.wikipedia.org/wiki/Telephone_exchange_names
tomjakubowski 6y ago
They were generally present beginning in the 1980s. The phone you linked is from the 1960s. The layout with Q and Z was standardized by ITU-T in 1988 https://en.wikipedia.org/wiki/E.161 https://en.wikipedia.org/wiki/E.161 Earlier in time the letter "O" was also not generally on phone keypads.
- kd5bjo 6y ago
  According to your link, Q and Z were officially added sometime in the 1990’s, in a later revision. That puts the official change well into my childhood, which explains my out-of-date information; I didn’t put much effort into researching my comment.

by kd5bjo 6y ago

eythian 6y ago

Depends, I used to have one of these: https://www.geekzone.co.nz/forums.asp?forumid=39&topicid=114839 https://www.geekzone.co.nz/forums.asp?forumid=39&topicid=114... Though the chart is still wrong according to that, however it (the chart) does match what my Android phone's dialer looks like.

dredmorbius 6y ago

the Q & Z assignments shown are typical. That said, few text-based phone numbers include these characters, for the obvious reason.

kps 6y ago

You're correct, which appropriately enough is why you're downvoted. The letters were placed on telephone dials when telephone ‘numbers’ used a mnemonic exchange+digits format¹, so there was no requirement to include the entire alphabet. Advertising mnemonics like the one in the grandparent comment came later, and entering arbitrary text such as names, which actually requires the whole alphabet, much later. ¹ https://en.m.wikipedia.org/wiki/Telephone_exchange_names https://en.m.wikipedia.org/wiki/Telephone_exchange_names

tomjakubowski 6y ago

They were generally present beginning in the 1980s. The phone you linked is from the 1960s. The layout with Q and Z was standardized by ITU-T in 1988 https://en.wikipedia.org/wiki/E.161 https://en.wikipedia.org/wiki/E.161 Earlier in time the letter "O" was also not generally on phone keypads.

kd5bjo 6y ago
According to your link, Q and Z were officially added sometime in the 1990’s, in a later revision. That puts the official change well into my childhood, which explains my out-of-date information; I didn’t put much effort into researching my comment.