PORTAL:TELEPHONES SELECTED AUDIO 8

Reorder – intra LATA

Unassigned N11 code, CLASS code or prefix

No Circuit – intraLATA

Intercept

Ineffective/Other

Future Use (Not Used)

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In telephony, a special information tone (SIT) is an in-band international standard call progress tone consisting of three rising tones indicating a call has failed. It usually precedes a recorded announcement describing the problem. ( Full article...)

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