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Area Switching and signalling in telecommunications / Tone signals for telephony

IEV ref714-08-09

en
number-unobtainable tone
vacant-code tone (US)
a tone which indicates that the calling party has dialled a number which has not been allocated or which is barred to him

fr
tonalité de numéro non accessible, f
tonalité indiquant que le numéro demandé n'est pas attribué ou qu'il est interdit au demandeur

ar
نغمة رقم غير موجود بالخدمة

de
Hinweiston für nicht erreichbare Rufnummer, m

es
tono de número no accesible

it
tono di numero non ottenibile

ko
결번 음
빈 부호 음

ja
NUトーン

pl
sygnał tonowy nieosiągalności

pt
tonalidade de número não acessível

sv
hänvisningston

Publication date: 1992-04
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