21621: The 'From' number has not been enabled for MMS
ERROR
The From number is not enabled for MMS messaging.
The From phone number is not capable of sending MMS.
- Buy an MMS Capable phone number from the Twilio Console by filtering for "MMS" under "Capabilities".
- Check if you already have MMS capable numbers in the Twilio Console and use that number in your
Fromparameter or Messaging Service.