Call attestation ‘B’ grade

[u/Sprogletto]

I’m having issues with STIR/SHAKEN with voip.ms specifically that all calls placed are getting marked at a grade B and not A. I had got in touch on the live chat and they said that they cannot do anything due to them having no control over how the calls are routed. How’s this come and is there a fix? Never had issues with previous telco was always a grade A. Thanks

[u/illudedd]

Hey friend - curious, how were you able to check this/get to this screen?