REASON_PHRASE top-level property
Implementation
Map<int, String> REASON_PHRASE = <int, String>{
100: 'Trying',
180: 'Ringing',
181: 'Call Is Being Forwarded',
182: 'Queued',
183: 'Session Progress',
199: 'Early Dialog Terminated', // draft-ietf-sipcore-199
200: 'OK',
202: 'Accepted', // RFC 3265
204: 'No Notification', // RFC 5839
300: 'Multiple Choices',
301: 'Moved Permanently',
302: 'Moved Temporarily',
305: 'Use Proxy',
380: 'Alternative Service',
400: 'Bad Request',
401: 'Unauthorized',
402: 'Payment Required',
403: 'Forbidden',
404: 'Not Found',
405: 'Method Not Allowed',
406: 'Not Acceptable',
407: 'Proxy Authentication Required',
408: 'Request Timeout',
410: 'Gone',
412: 'Conditional Request Failed', // RFC 3903
413: 'Request Entity Too Large',
414: 'Request-URI Too Long',
415: 'Unsupported Media Type',
416: 'Unsupported URI Scheme',
417: 'Unknown Resource-Priority', // RFC 4412
420: 'Bad Extension',
421: 'Extension Required',
422: 'Session Interval Too Small', // RFC 4028
423: 'Interval Too Brief',
424: 'Bad Location Information', // RFC 6442
428: 'Use Identity Header', // RFC 4474
429: 'Provide Referrer Identity', // RFC 3892
430: 'Flow Failed', // RFC 5626
433: 'Anonymity Disallowed', // RFC 5079
436: 'Bad Identity-Info', // RFC 4474
437: 'Unsupported Certificate', // RFC 4744
438: 'Invalid Identity Header', // RFC 4744
439: 'First Hop Lacks Outbound Support', // RFC 5626
440: 'Max-Breadth Exceeded', // RFC 5393
469: 'Bad Info Package', // draft-ietf-sipcore-info-events
470: 'Consent Needed', // RFC 5360
478: 'Unresolvable Destination', // Custom code copied from Kamailio.
480: 'Temporarily Unavailable',
481: 'Call/Transaction Does Not Exist',
482: 'Loop Detected',
483: 'Too Many Hops',
484: 'Address Incomplete',
485: 'Ambiguous',
486: 'Busy Here',
487: 'Request Terminated',
488: 'Not Acceptable Here',
489: 'Bad Event', // RFC 3265
491: 'Request Pending',
493: 'Undecipherable',
494: 'Security Agreement Required', // RFC 3329
500: 'DartSIP Internal Error',
501: 'Not Implemented',
502: 'Bad Gateway',
503: 'Service Unavailable',
504: 'Server Time-out',
505: 'Version Not Supported',
513: 'Message Too Large',
580: 'Precondition Failure', // RFC 3312
600: 'Busy Everywhere',
603: 'Decline',
604: 'Does Not Exist Anywhere',
606: 'Not Acceptable'
};