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ABNF for SIP

 

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Status-Code   =
extension-code   =

 


Informational   =
"100"  /   ; Trying   RFC 3261 – Section 21.1.1
"180"  /   ; Ringing   RFC 3261 – Section 21.1.2
"181"  /   ; Call Is Being Forwarded   RFC 3261 – Section 21.1.3
"182"  /   ; Queued   RFC 3261 – Section 21.1.4
"183"  /   ; Session Progress   RFC 3261 – Section 21.1.5
"199"   ; Early Dialog Terminated   RFC 6228Section 11.1
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Success   =
"200"  /   ; OK   RFC 3261 – Section 21.2.1
"202"  /   ; Accepted (Deprecated)   RFC 6665Section 8.3.1
"204"   ; No Notification   RFC 5839Section 8.1
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Redirection   =
"300"  /   ; Multiple Choices   RFC 3261 – Section 21.3.1
"301"  /   ; Moved Permanently   RFC 3261 – Section 21.3.2
"302"  /   ; Moved Temporarily   RFC 3261 – Section 21.3.3
"305"  /   ; Use Proxy   RFC 3261 – Section 21.3.4
"380"   ; Alternative Service   RFC 3261 – Section 21.3.5
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Client-Error   =
"400"  /   ; Bad Request   RFC 3261 – Section 21.4.1
"401"  /   ; Unauthorized   RFC 3261 – Section 21.4.2
"402"  /   ; Payment Required   RFC 3261 – Section 21.4.3
"403"  /   ; Forbidden   RFC 3261 – Section 21.4.4
"404"  /   ; Not Found   RFC 3261 – Section 21.4.5
"405"  /   ; Method Not Allowed   RFC 3261 – Section 21.4.6
"406"  /   ; Not Acceptable   RFC 3261 – Section 21.4.7
"407"  /   ; Proxy Authentication Required   RFC 3261 – Section 21.4.8
"408"  /   ; Request Timeout   RFC 3261 – Section 21.4.9
"410"  /   ; Gone   RFC 3261 – Section 21.4.10
"412"  /   ; Conditional Request Failed   RFC 3903Section 13.2
"413"  /   ; Request Entity Too Large   RFC 3261 – Section 21.4.11
"414"  /   ; Request-URI Too Long   RFC 3261 – Section 21.4.12
"415"  /   ; Unsupported Media Type   RFC 3261 – Section 21.4.13
"416"  /   ; Unsupported URI Scheme   RFC 3261 – Section 21.4.14
"417"  /   ; Unknown Resource-Priority   RFC 4412Section 12.4
"420"  /   ; Bad Extension   RFC 3261 – Section 21.4.15
"421"  /   ; Extension Required   RFC 3261 – Section 21.4.16
"422"  /   ; Session Interval Too Small   RFC 4028Section 12.2
"423"  /   ; Interval Too Brief   RFC 3261 – Section 21.4.17
"424"  /   ; Bad Location Information   RFC 6442Section 8.4
"428"  /   ; Use Identity Header   RFC 4474Section 14.2
"429"  /   ; Provide Referrer Identity   RFC 3892Section 8
"430"  /   ; Flow Failed   RFC 5626Section 11.5
"433"  /   ; Anonymity Disallowed   RFC 5079Section 6
"436"  /   ; Bad Identity-Info   RFC 4474Section 14.3
"437"  /   ; Unsupported Certificate   RFC 4474Section 14.4
"438"  /   ; Invalid Identity Header   RFC 4474Section 14.5
"439"  /   ; First Hop Lacks Outbound Support   RFC 5626Section 11.6
"440"  /   ; Max-Breadth Exceeded   RFC 5393Section 6.2
"469"  /   ; Bad Info Package   RFC 6086Section 11.6
"470"  /   ; Consent Needed   RFC 5360Section 6.1
"480"  /   ; Temporarily Unavailable   RFC 3261 – Section 21.4.18
"481"  /   ; Call/Transaction Does Not Exist   RFC 3261 – Section 21.4.19
"482"  /   ; Loop Detected   RFC 3261 – Section 21.4.20
"483"  /   ; Too Many Hops   RFC 3261 – Section 21.4.21
"484"  /   ; Address Incomplete   RFC 3261 – Section 21.4.22
"485"  /   ; Ambiguous   RFC 3261 – Section 21.4.23
"486"  /   ; Busy Here   RFC 3261 – Section 21.4.24
"487"  /   ; Request Terminated   RFC 3261 – Section 21.4.25
"488"  /   ; Not Acceptable Here   RFC 3261 – Section 21.4.26
"489"  /   ; Bad Event   RFC 6665Section 8.3.2
"491"  /   ; Request Pending   RFC 3261 – Section 21.4.27
"493"  /   ; Undecipherable   RFC 3261 – Section 21.4.28
"494"   ; Security Agreement Required   RFC 3329Section 6.4
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Server-Error   =
"500"  /   ; Server Internal Error   RFC 3261 – Section 21.5.1
"501"  /   ; Not Implemented   RFC 3261 – Section 21.5.2
"502"  /   ; Bad Gateway   RFC 3261 – Section 21.5.3
"503"  /   ; Service Unavailable   RFC 3261 – Section 21.5.4
"504"  /   ; Server Time-out   RFC 3261 – Section 21.5.5
"505"  /   ; Version Not Supported   RFC 3261 – Section 21.5.6
"513"  /   ; Message Too Large   RFC 3261 – Section 21.5.7
"580"   ; Precondition Failure   RFC 3312Section 8
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Global-Failure   =
"600"  /   ; Busy Everywhere   RFC 3261 – Section 21.6.1
"603"  /   ; Decline   RFC 3261 – Section 21.6.2
"604"  /   ; Does Not Exist Anywhere   RFC 3261 – Section 21.6.3
"606"   ; Not Acceptable   RFC 3261 – Section 21.6.4
"607"   ; Unwanted   RFC 8197 – Section 5
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