11100: Invalid URL format

The format of the provided URL is invalid.

• Bad URL for phone number configuration
• Bad URL passed to outgoing call REST request
• Bad URL in Play or Redirect Verb Body
• Bad URL provided for a verb's action attribute
• No URL provided in Record verb action attribute when modifying a live call
• Unsupported characters in auth portion of URL

• Make sure you submit a fully qualified URL including: protocol (http:// or https://), hostname, file path, properly url-encoded query parameters.
• Twilio must be able to reach this URL over the public Internet.