# 60008: Unsupported Carrier

Log Type: TWILIO

Log Level: ERROR

## Description

### Possible causes

The request was received and failed due to the phone number's carrier not supporting this endpoint.

### Possible solutions

* Complete the [Account Security Registration](https://interactive.twilio.com/account-security-registration-form?_ga=2.40477419.894088021.1660748067-1879743973.1650468405) form to use this carrier.
* If you have completed the Account Security Registration form, [contact Twilio Support](https://www.twilio.com/help/contact) to confirm that you are approved.
* If you have completed the Account Security Registration form and it has been approved, [contact Twilio Support](https://www.twilio.com/help/contact) to rule out integration issues.
* If using Silent Network Auth, retry Verification using a channel other than Silent Network Auth for this end user.