Skip to content
Skip to navigation
Skip to topbar
Twilio Logo
Twilio Docs
Search
Search
Messaging
Voice
Serverless
Flex
Studio
All docs...
SDKs
Help
Help
Search
Log in
Sign up
On this page
WARNING: 21222
Warning - 21222
Invalid SipAuthUsername. Illegal chars
On this page
WARNING: 21222
Warning - 21222
Invalid SipAuthUsername. Illegal chars
21222: Invalid SipAuthUsername. Illegal chars
Positive Feedback
Negative Feedback
WARNING: 21222
warning-21222 page anchor
Positive Feedback
Negative Feedback
WARNING
Warning - 21222
warning---21222 page anchor
Positive Feedback
Negative Feedback
Invalid SipAuthUsername. Illegal chars
invalid-sipauthusername-illegal-chars page anchor
Positive Feedback
Negative Feedback
The SipAuthUsername you specified contained characters not allowed in SIP.