Tag telephony
3 bookmarks have this tag.
2025-03-08
JMP.chat
jmp.chatYour phone number on every device
2024-06-09
Touch tone phone pitches DTMF
www.johndcook.com/blog/2022/03/14/phone-tones-in-musical-notationA musical description of the tones produced by telephone buttons.
Dividing an octave into 14 pieces | DTMF
www.johndcook.com/blog/2022/03/16/14-note-scaleThe tones produced by telephone keypads are part of a scale that divides the octave into 14 pieces.