SIP 302 Moved Temporarily vs 404 Not Found
SIP 302 (Moved Temporarily) is a 3xx Redirection response, while 404 (Not Found) 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, 404 means that the user specified in the Request-URI does not exist at the domain. The server has authoritative information that the user does not exist.
Descripción
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.
Cuándo lo verás
When a user is temporarily reachable at a different location, such as when traveling or using a different device.
Cómo solucionarlo
Redirect the current call to the Contact URI provided, but keep the original URI for future requests.
Descripción
The user specified in the Request-URI does not exist at the domain. The server has authoritative information that the user does not exist.
Cuándo lo verás
When calling a number or SIP address that does not exist on the server. Different from 480 (user exists but is temporarily unavailable).
Cómo solucionarlo
Verify the SIP URI or phone number. Check if the user is registered on the correct domain. Ensure the domain is correct.
Diferencias clave
302 is a 3xx Redirection response, while 404 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 404: The user specified in the Request-URI does not exist at the domain. The server has authoritative information that the user does not exist.
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 404 when when calling a number or SIP address that does not exist on the server. Different from 480 (user exists but is temporarily unavailable).
Cuándo usar cada uno
For 302 (Moved Temporarily): Redirect the current call to the Contact URI provided, but keep the original URI for future requests. For 404 (Not Found): Verify the SIP URI or phone number. Check if the user is registered on the correct domain. Ensure the domain is correct.