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  Version: IPv4 Page Last Updated: Thu, 04-Apr-2013  


Conferencing

UNDER CONSTRUCTION

 

 

SIP

 

Command Function
INVITE Initiate Call
ACK Confirm final response
BYE Terminate and transfer call
CANCEL Cancel searches and "ringing"
OPTIONS Features support by other side
REGISTER Register with location service

Warning Codes
300 Incompatible network protocol: One or more network protocols contained in the session description are not available.
301 Incompatible network address formats: One or more network address formats contained in the session description are not available.
302 Incompatible transport protocol: One or more transport protocols described in the session description are not available.
303 Incompatible bandwidth units: One or more bandwidth measurement units contained in the session description were not understood.
304 Media type not available: One or more media types contained in the session description are not available.
305 Incompatible media format: One or more media formats contained in the session description are not available.
306 Attribute not understood: One or more of the media attributes in the session description are not supported.
307 Session description parameter not understood: A parameter other than those listed above was not understood.
330 Multicast not available: The site where the user is located does not support multicast.
331 Unicast not available: The site where the user is located does not support unicast communication (usually due to the presence of a firewall).
370 Insufficient bandwidth: The bandwidth specified in the session description or defined by the media exceeds that known to be available.
399 Miscellaneous warning: The warning text can include arbitrary information to be presented to a human user or logged. A system receiving this warning MUST NOT take any automated action.

Provisional 1xx
100 Trying
180 Ringing
181 Call Is Being Forwarded
182 Queued
183 Session Progress

Successful 2xx
200 OK
202 Accepted

Redirection 3xx
300 Multiple Choices
301 Moved Permanently
302 Moved Temporarily
305 Use Proxy
380 Alternative Service

Request Failure 4xx
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 [RFC3903]
413
Request Entity Too Large  
414
Request-URI Too Long  
415
Unsupported Media Type  
416
Unsupported URI Scheme  
417
Unknown Resource-Priority [RFC4412]
420
Bad Extension  
421
Extension Required  
422
Session Interval Too Small [RFC4028]
423
Interval Too Brief  
428
Use Identity Header [RFC4474]
429
Provide Referrer Identity [RFC3892]
436
Bad Identity-Info [RFC4474]
437
Unsupported Certificate [RFC4474]
438
Invalid Identity Header [RFC4474]
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 [RFC3265]
491
Request Pending  
493
Undecipherable  
494
Security Agreement Required [RFC3329]

Server Failure 5xx
500
Server 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 [RFC3312]

Global Failures 6xx
600
Busy Everywhere
603
Decline
604
Does Not Exist Anywhere
606
Not Acceptable

 

 

 

 

 


 
 

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