Gateway or C level Some of your calls may be flagged as spam and can be stopped at carrier level, you can lose customers and brand recognition. The service provider has originated th

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. For free

No call was found Check that your business number is correct. You can edit it. Call +1 (479) 239-9703 from the business number you entered. For a free bulk numbers check or help&nbsp

B or Partial level  This is an OK attestation level. It means that your voice service provider knows the end-user customer but not the source of the phone number. Recommendation

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