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).
الوصف
A UAS can send this to indicate that an early dialog has been terminated. Used when forking results in multiple early dialogs.
متى تراه
In forked call scenarios when one of the forked branches is cancelled because another branch was answered.
كيفية الإصلاح
No action needed. This is normal behavior in forked call setups. Ensure your UA handles early dialog termination gracefully.
الوصف
The request cannot be fulfilled because the source has not been granted consent by the recipient. Used in consent-based communications (RFC 5360).
متى تراه
When attempting to communicate with a user who has not granted permission for the calling party to reach them.
كيفية الإصلاح
Request consent through a separate mechanism. The recipient must explicitly grant permission for future communications.
الفروق الرئيسية
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.
متى تستخدم أيًا منهما
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.