SIP 199 Early Dialog Terminated vs 470 Consent Needed
SIP 199 (Early Dialog Terminated) is a 1xx Provisional response, while 470 (Consent Needed) 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, 470 means that the request cannot be fulfilled because the source has not been granted consent by the recipient. Used in consent-based communications (RFC 5360).
Mô tả
A UAS can send this to indicate that an early dialog has been terminated. Used when forking results in multiple early dialogs.
Khi bạn thấy mã này
In forked call scenarios when one of the forked branches is cancelled because another branch was answered.
Cách khắc phục
No action needed. This is normal behavior in forked call setups. Ensure your UA handles early dialog termination gracefully.
Mô tả
The request cannot be fulfilled because the source has not been granted consent by the recipient. Used in consent-based communications (RFC 5360).
Khi bạn thấy mã này
When attempting to communicate with a user who has not granted permission for the calling party to reach them.
Cách khắc phục
Request consent through a separate mechanism. The recipient must explicitly grant permission for future communications.
Sự khác biệt chính
199 is a 1xx Provisional response, while 470 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 470: The request cannot be fulfilled because the source has not been granted consent by the recipient. Used in consent-based communications (RFC 5360).
You encounter 199 when in forked call scenarios when one of the forked branches is cancelled because another branch was answered.
You encounter 470 when when attempting to communicate with a user who has not granted permission for the calling party to reach them.
Khi nào dùng cái nào
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 470 (Consent Needed): Request consent through a separate mechanism. The recipient must explicitly grant permission for future communications.