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SIP: Call blocked by Twilio

ERROR: 32203

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The destination number is blocked by Twilio.

Possible Causes

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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

Potential solutions may be:

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