Terms for subject Telephony containing tone

English	German
call progress tones	Hörtöne
dual-tone MFD connection	bilingualer MFV-Anschluß
dual-tone multiple frequency DTMF method	Tonwahlverfahren
ringing tone detector	Ruferkennung
side tone	Mithörton
three-tone caller	Drei-Ton-Ruf
three-tone ringing	Dreiklang-Tonruf
tone caller	Tonruf
tone ringer	Tonwecker
unquote tone	Ansage-Endton