Skip to main content

Twilio Docs

Messaging
Voice
Serverless
Flex
Studio
All docs...

SDKs
Help
Log in
Sign up

Messaging
Voice
Serverless
Flex
Studio
All docs...
SDKs
Help
Log in
Sign up

Twilio Docs / API Reference / Error and Warning Dictionary / Warning 21222

Menu

Error Reference

Collapse Expand

Rate this page:

1 2 3 4 5

Warning 21222

Warning - 21222

Invalid SipAuthUsername. Illegal chars

The SipAuthUsername you specified contained characters not allowed in SIP.

Rate this page:

1 2 3 4 5

Terms of Service
Privacy Policy
Copyright © 2023 Twilio Inc.

Thank you for your feedback!

Please select the reason(s) for your feedback. The additional information you provide helps us improve our documentation:

If applicable fill in the countries where you are using Twilio

Missing information or code

Content is confusing or hard to follow

Inaccurate or outdated information

Broken link or typo

Did not solve my problem

Content is easy to follow

Solved my problem

Other

Need help? Talk to Support

Protected by reCAPTCHA – Privacy - Terms

Sending your feedback...

🎉 Thank you for your feedback!

Something went wrong. Please try again.

Thanks for your feedback!

thanks-feedback-gif