SIP 202 Accepted vs 414 Request-URI Too Long
SIP 202 (Accepted) is a 2xx Success response, while 414 (Request-URI Too Long) is a 4xx Client Failure response. 202 indicates that the request has been accepted for processing but the processing has not been completed. Used primarily for REFER requests. In contrast, 414 means that the server is refusing to service the request because the Request-URI is longer than the server is willing to interpret.
Описание
The request has been accepted for processing but the processing has not been completed. Used primarily for REFER requests.
Когда вы это видите
After sending a REFER request for call transfer. The transfer target acknowledges receipt but hasn't completed the transfer yet.
Как исправить
Wait for a NOTIFY to learn the outcome of the referred action. If no NOTIFY arrives, check subscription state and network connectivity.
Описание
The server is refusing to service the request because the Request-URI is longer than the server is willing to interpret.
Когда вы это видите
When the SIP URI in the request line is excessively long, which may happen with URI parameters or long phone numbers.
Как исправить
Shorten the Request-URI. Remove unnecessary parameters or use a shorter alias for the destination.
Ключевые различия
202 is a 2xx Success response, while 414 is a 4xx Client Failure response.
SIP 202: The request has been accepted for processing but the processing has not been completed. Used primarily for REFER requests.
SIP 414: The server is refusing to service the request because the Request-URI is longer than the server is willing to interpret.
You encounter 202 when after sending a REFER request for call transfer. The transfer target acknowledges receipt but hasn't completed the transfer yet.
You encounter 414 when when the SIP URI in the request line is excessively long, which may happen with URI parameters or long phone numbers.
Когда что использовать
For 202 (Accepted): Wait for a NOTIFY to learn the outcome of the referred action. If no NOTIFY arrives, check subscription state and network connectivity. For 414 (Request-URI Too Long): Shorten the Request-URI. Remove unnecessary parameters or use a shorter alias for the destination.