21221: Invalid SipAuthUsername. Must be fewer than 256 charsPositive FeedbackNegative FeedbackWARNING: 21221warning-21221 page anchorPositive FeedbackNegative FeedbackWARNING Warning - 21221warning---21221 page anchorPositive FeedbackNegative Feedback Invalid SipAuthUsername. Must be fewer than 256 charsinvalid-sipauthusername-must-be-fewer-than-256-chars page anchorPositive FeedbackNegative FeedbackThe SipAuthUsername you specified was longer than 255 characters.