Talk:Telephone keypad

message: At howstuffworks they propose three theories. (1) To slow data entry people down so the touchtones don't run together causing a misdial, (2) The result of a study by Bell labs, and (3) To follow the rotary phone numbers left to right similar to the way the western world reads.
I personally think there is a simpler answer.  During rotary phone days, the alphabet followed left to right in sequence. If the digits followed the calculator sequence, the alphabet would be upside down by the way the western world reads top to bottom.  By placing the numbers the way they did, the letters are more easily found.
Said another way, theory #3 at howstuffworks is almost the same as I have stated, but the ALPHABET drove the sequence, not the numbers.  —Preceding unsigned comment added by 71.240.129.53 (talk) 01:19, 23 December 2007 (UTC)
thread_title:  Calculator and Keypad reversed - need a reason why. 

message: Always was curious. But ATMs use the phone numbering system as well... Anyone know why ATMs used the Phone layout vs computer layout?  —Preceding unsigned comment added by Strickjh2005 (talk • contribs) 15:07, 8 February 2008 (UTC)
thread_title:  The alphbet theory makes the most sense. 

message: Often banks tell you not to use a cell phone or cordless phone when doing telebanking, makes sense. But, they also say to only use a telephone which has the number buttons on the base as opposed to buttons on the handset. Perhaps this could be addressed in the article. 156.34.232.171 (talk) 18:00, 13 March 2008 (UTC)
thread_title:  Security 

message: just to justifythe acurate nessof this articles.
i changed the area code in the example for aylesbury, which was 01293 to the actual 01296, which was probably a typo. as a local, i feel the duty.  —Preceding unsigned comment added by Johnny45irish (talk • contribs) 13:51, 6 July 2010 (UTC)
replies: text: 0293 was actually 0CY3 for Crawley.  87.113.35.221 (talk) 13:19, 14 October 2012 (UTC)
thread_title:  document accuracy. 

message: I've put  on John Karlin suggesting the biographical article be merged into this one.  My thinking is that Karlin is, as currently represented, only notable for the telephone keypad development (referring to WP:1E as a policy backing).  I am not strongly opposed to Karlin's biographical article remaining as a separate article; I thought it would be useful to consider.  A consequence would be a substantial reduction of the biographical content.  Consider also that Karlin's biography is based on a single citation (at present).  Thanks for considering this.  There are arguments which could be made that Karlin should not be associated with this article so intimately as a merge would imply, but rather with some elements of human behavior and perception; I've not thought through that line in any depth, though. --User:Ceyockey (talk to me) 00:26, 16 April 2014 (UTC)
replies: text: Agree, article is small and name is the same phonetically to John Karlen a much more prominent article.TacfuJecan (talk) 21:48, 26 March 2016 (UTC)
thread_title:  Suggestion - merge John Karlin bio article to this article 

message: On the  ITU standard keypad in the photo at the top of this article, there's a double loop on the key for the "1".  I have that on my cell phone virtual keypad too.  What on earth is that thing?  I said it was a newbie question.
100.15.138.239 (talk) 18:17, 15 September 2016 (UTC)
thread_title:  newbie question