SIP 199 Early Dialog Terminated vs 405 Method Not Allowed
SIP 199 (Early Dialog Terminated) is a 1xx Provisional response, while 405 (Method Not Allowed) is a 4xx Client Failure response. 199 indicates that a UAS can send this to indicate that an early dialog has been terminated. Used when forking results in multiple early dialogs. In contrast, 405 means that the method specified in the Request-Line is not allowed for the address identified by the Request-URI.
Beschreibung
A UAS can send this to indicate that an early dialog has been terminated. Used when forking results in multiple early dialogs.
Wann Sie es sehen
In forked call scenarios when one of the forked branches is cancelled because another branch was answered.
Wie man es behebt
No action needed. This is normal behavior in forked call setups. Ensure your UA handles early dialog termination gracefully.
Beschreibung
The method specified in the Request-Line is not allowed for the address identified by the Request-URI.
Wann Sie es sehen
When sending a SIP method (e.g., MESSAGE, PUBLISH) that the server does not support for the target URI.
Wie man es behebt
Check the Allow header in the response to see which methods are supported. Use a supported method instead.
Wesentliche Unterschiede
199 is a 1xx Provisional response, while 405 is a 4xx Client Failure response.
SIP 199: A UAS can send this to indicate that an early dialog has been terminated. Used when forking results in multiple early dialogs.
SIP 405: The method specified in the Request-Line is not allowed for the address identified by the Request-URI.
You encounter 199 when in forked call scenarios when one of the forked branches is cancelled because another branch was answered.
You encounter 405 when when sending a SIP method (e.g., MESSAGE, PUBLISH) that the server does not support for the target URI.
Wann welchen verwenden
For 199 (Early Dialog Terminated): No action needed. This is normal behavior in forked call setups. Ensure your UA handles early dialog termination gracefully. For 405 (Method Not Allowed): Check the Allow header in the response to see which methods are supported. Use a supported method instead.