SIP 182 Queued vs 305 Use Proxy
SIP 182 (Queued) is a 1xx Provisional response, while 305 (Use Proxy) is a 3xx Redirection response. 182 indicates that the called party is temporarily unavailable but the server has decided to queue the call rather than reject it. The call will be attempted when the callee becomes available. In contrast, 305 means that the requested resource must be accessed through the proxy given by the Contact header field.
Descripción
The called party is temporarily unavailable but the server has decided to queue the call rather than reject it. The call will be attempted when the callee becomes available.
Cuándo lo verás
In call center or queuing scenarios where the callee is busy but the system holds the call in a queue.
Cómo solucionarlo
Wait for the call to be dequeued. If queuing is not desired, configure the server to reject calls instead of queuing them.
Descripción
The requested resource must be accessed through the proxy given by the Contact header field.
Cuándo lo verás
When the request must be routed through a specific outbound proxy server.
Cómo solucionarlo
Resend the request through the proxy specified in the Contact header of this response.
Diferencias clave
182 is a 1xx Provisional response, while 305 is a 3xx Redirection response.
SIP 182: The called party is temporarily unavailable but the server has decided to queue the call rather than reject it. The call will be attempted when the callee becomes available.
SIP 305: The requested resource must be accessed through the proxy given by the Contact header field.
You encounter 182 when in call center or queuing scenarios where the callee is busy but the system holds the call in a queue.
You encounter 305 when when the request must be routed through a specific outbound proxy server.
Cuándo usar cada uno
For 182 (Queued): Wait for the call to be dequeued. If queuing is not desired, configure the server to reject calls instead of queuing them. For 305 (Use Proxy): Resend the request through the proxy specified in the Contact header of this response.