1 minAttestation level A
Full or A Level
Great Attestation level
The voice service provider knows the end-user customer and their right to use the phone number.
More info about STIR/SHAKEN here.
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Attestation level B
B or Partial level This is an OK attestation level. It means that your voice service provider
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Attestation level C
Gateway or C level Some of your calls may be flagged as spam and can be stopped at carrier level, yo
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No attestation results
No call was found Check that your business number is correct. You can edit it. Call +1 (479) 239-970
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