Error 21405 - Twilio
Register for SIGNAL by 8/31 for $250 off. Register now.

Error 21405

Error - 21405

Cannot set VoiceFallbackUrl without setting Url

You cannot set a fallback URL without specifying a primary URL

Need some help?

We all do sometimes; code is hard. Get help now from our support team, or lean on the wisdom of the crowd browsing the Twilio tag on Stack Overflow.