Tag telephony

3 bookmarks have this tag.

2025-03-08

530.

JMP.chat

jmp.chat

Your phone number on every device

2024-06-09

58.

Touch tone phone pitches DTMF

www.johndcook.com/blog/2022/03/14/phone-tones-in-musical-notation

A musical description of the tones produced by telephone buttons.

57.

Dividing an octave into 14 pieces | DTMF

www.johndcook.com/blog/2022/03/16/14-note-scale

The tones produced by telephone keypads are part of a scale that divides the octave into 14 pieces.