Iskani niz je bil najden v IZTOČNICAH:
MFT-signalisering(DTMF-dual tone multi frequency)
Communications
de
DTMF-Betrieb(Mehrfrequenzverfahren)
en
DTMF operation
,
dual tone multi-frequency operation
es
Funcionamiento en multifrecuencia de doble tono (DTMF)
fr
Fonctionnement en multifréquence en code 2
it
Funzionamento in DTMF(dual tone multi-frequency)
nl
Toonkiezen(DTMF/Dual Tone Multi Frequency)
pt
funcionamento DTMF
,
funcionamento multifrequências bitonal
West Midlands Dual System
de
West Midlands Dual System
el
West Midlands Dual System
en
West Midlands Dual System
fi
West Midlands Dual System
fr
Système bimode des West Midlands
it
West Midlands Dual System
nl
West Midlands Dual System
pt
West Midlands Dual System
sv
West Midlands Dual System