SIP 204 No Notification vs 470 Consent Needed
SIP 204 (No Notification) is a 2xx Success response, while 470 (Consent Needed) is a 4xx Client Failure response. 204 indicates that the request was successful but the server has decided not to send a NOTIFY for this SUBSCRIBE request. 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
The request was successful but the server has decided not to send a NOTIFY for this SUBSCRIBE request.
Khi bạn thấy mã này
When subscribing to event packages that may not generate immediate notifications, such as dialog or presence packages.
Cách khắc phục
No fix needed. The subscription was accepted but there is no state change to notify about yet.
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
204 is a 2xx Success response, while 470 is a 4xx Client Failure response.
SIP 204: The request was successful but the server has decided not to send a NOTIFY for this SUBSCRIBE request.
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 204 when when subscribing to event packages that may not generate immediate notifications, such as dialog or presence packages.
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 204 (No Notification): No fix needed. The subscription was accepted but there is no state change to notify about yet. For 470 (Consent Needed): Request consent through a separate mechanism. The recipient must explicitly grant permission for future communications.