SIP 302 Moved Temporarily vs 485 Ambiguous
SIP 302 (Moved Temporarily) is a 3xx Redirection response, while 485 (Ambiguous) is a 4xx Client Failure response. 302 indicates that the callee has temporarily moved to a different address. The client should retry the request at the Contact address but continue using the original URI for future requests. In contrast, 485 means that the Request-URI was ambiguous. The response body may contain a list of possible unambiguous addresses.
Mô tả
The callee has temporarily moved to a different address. The client should retry the request at the Contact address but continue using the original URI for future requests.
Khi bạn thấy mã này
When a user is temporarily reachable at a different location, such as when traveling or using a different device.
Cách khắc phục
Redirect the current call to the Contact URI provided, but keep the original URI for future requests.
Mô tả
The Request-URI was ambiguous. The response body may contain a list of possible unambiguous addresses.
Khi bạn thấy mã này
When the destination address matches multiple users and the server cannot determine which one is intended.
Cách khắc phục
Use a more specific SIP URI. Check the response body for a list of possible matches and select the correct one.
Sự khác biệt chính
302 is a 3xx Redirection response, while 485 is a 4xx Client Failure response.
SIP 302: The callee has temporarily moved to a different address. The client should retry the request at the Contact address but continue using the original URI for future requests.
SIP 485: The Request-URI was ambiguous. The response body may contain a list of possible unambiguous addresses.
You encounter 302 when when a user is temporarily reachable at a different location, such as when traveling or using a different device.
You encounter 485 when when the destination address matches multiple users and the server cannot determine which one is intended.
Khi nào dùng cái nào
For 302 (Moved Temporarily): Redirect the current call to the Contact URI provided, but keep the original URI for future requests. For 485 (Ambiguous): Use a more specific SIP URI. Check the response body for a list of possible matches and select the correct one.