DTMF (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "DTMF" in Japanese language version.

Last modified: 18:42:03, 13 June 2026 (UTC)

Ref.Un. Ref.Website

Global rank Japanese rank

1,487^th place

3,076^th place

2,664^th place

190^th place

76^th place

48^th place

archive.is (Global: 76^th place; Japanese: 48^th place)

“Q.23 : Technical features of push-button telephone sets” (英語). ITU-T Recommendations. ITU-T. 2026年6月14日閲覧。