22123: Unable to Initiate Verification Call

This error occurs when Twilio cannot start the ownership verification call for a Hosted Number Order. When you use phone-call verification, the person who answers the number being hosted must listen to a security token before the order can move to verified.

• The phone number cannot be reached for the verification call.
• Your account is not allowed to place a call to the number you are trying to verify.
• The destination number has been blocked.
• The phone number is invalid or was submitted in an invalid format.
• The number is not eligible for Hosted Numbers. Hosted Numbers support US and Canada landline and toll-free numbers. Mobile numbers are not supported.

• Verify that the phone number is correct and submit it in E.164 format when you create the Hosted Number Order.
• Confirm that the number is a supported Hosted Numbers destination and can answer a voice call. Hosted Numbers support US and Canada landline and toll-free numbers.
• Make sure the end user can answer the verification call and listen to the security token.
• Review your account permissions and any destination blocking that could prevent the verification call from being placed.
• Check the Hosted Number Order status and failure reason in Console or through the API. If the order moves to action-required, use the failure reason to diagnose the issue.
• Avoid repeated retries without fixing the underlying issue. Hosted Number Orders allow up to three verification attempts before moving to action-required.
• If the problem continues, contact Hosted Numbers Support at HostedSMS@twilio.com and include the Hosted Number Order SID.

• Hosted Number Order Resource
• Hosted Numbers FAQ
• Porting and Hosting Numbers