The outbound call to the destination number was blocked by Twilio. Potential causes may be:
The destination has a high-risk of fraud
Due to regulatory reasons, the destination cannot be reached
You are placing a call to a +1 destination and your account is missing a Primary Customer Profile
Possible Solutions
Potential solutions may be:
If your destination is being incorrectly identified as high-risk of fraud and you have a legitimate need to call this number, please reach out to Twilio Support through the Console or Help Center.
If you are placing a call to a +1 destination and your account is missing a Primary Customer Profile, create one in TrustHub.