30018: Destination carrier requires sender ID pre-registration

The recipient you are sending a message (message SID: SMXXXXX) to is on a network that requires alphanumeric sender ID pre-registration and our records indicate that your sender ID is not registered.

• The recipient you are sending a message to is on a network that requires alphanumeric sender ID pre-registration, and our records indicate that your sender ID is not registered.

• Contact support@twilio.com to register a sender ID for the destination country.