Iskani niz je bil najden v IZTOČNICAH:
Guard-Tone
Communications
da
guard tone
el
τόνος φρούρησης
en
guard tone
es
tono de guarda
fi
suojaääni
fr
tonalité de garde
nl
detectietoon
pt
tom de proteção
sv
guard tone
,
vaktton
Matrix-Tone-Generator
Communications
Electronics and electrical engineering
da
matrix tonegenerator
de
Matrix-Tongenerator
el
γεννήτρια τόνου μήτρας
en
matrix tone generator
es
generador de tono matricial
fi
matriisiäänigeneraattori
nl
matrixtoongenerator
pt
gerador de audiofrequências
sv
matristongenerator