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zeebar · Links · Phone · Keypads

Phone Key Pads

Go There
 
ITU E.161 ITU
http://www.itu.int/rec/recommendation.asp

The official international standard on how to arrange letters on the touch tone phone key pad. (Also see the US standard ANSI T1.703)


 
Go There
 
Public Notice by the Malaysian Government regarding phone key pads Communications Equipment Testing Section (CETS), Malaysian Government
http://www.cmc.gov.my/public_notice.htm

The Malaysian government seems to be quite clear on what phone key pads should look like in Malaysia


 
Go There
 
THE REAL SOURCE OF THE WORD 'OCTOTHORPE' Ralph Carlsen, Adrian Kennard, and John Moynihan
http://www.strowger.net/tel_tech_octothorpe.html

Why the # is also called an Octothorpe, plus a few other juicy tidbits.


 
Go There
 
US Defense Information Systems Agency
http://www-comm.itsi.disa.mil/itu/r_e100.html

The IT wing of the US Military has some good pointers to related standards.


 

 

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Last updated Tuesday January 23 2007
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