Attestation level C
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 the call onto the network but cannot authenticate the call source e.g., international gateway.
- Talk with your voice service provider about upgrading the call attestation level
- If you cant upgrade, get a new number with A level
- Test all your numbers. For help Contact Us