SIP 200 OK vs 413 Request Entity Too Large
SIP 200 (OK) is a 2xx Success response, while 413 (Request Entity Too Large) is a 4xx Client Failure response. 200 indicates that the request has succeeded. For INVITE, the call has been answered. For other methods, the action has been completed successfully. In contrast, 413 means that the server is refusing to process the request because the message body is larger than the server is willing to accept.
Descripción
The request has succeeded. For INVITE, the call has been answered. For other methods, the action has been completed successfully.
Cuándo lo verás
When a call is answered (INVITE 200 OK), a registration succeeds (REGISTER 200 OK), or a subscription is accepted (SUBSCRIBE 200 OK).
Cómo solucionarlo
No fix needed — this is a success response. The caller should send an ACK to complete the three-way handshake for INVITE transactions.
Descripción
The server is refusing to process the request because the message body is larger than the server is willing to accept.
Cuándo lo verás
When sending a SIP message with a body (SDP, XML, etc.) that exceeds the server's size limit.
Cómo solucionarlo
Reduce the size of the message body. For SDP, minimize codec offers or remove unnecessary attributes.
Diferencias clave
200 is a 2xx Success response, while 413 is a 4xx Client Failure response.
SIP 200: The request has succeeded. For INVITE, the call has been answered. For other methods, the action has been completed successfully.
SIP 413: The server is refusing to process the request because the message body is larger than the server is willing to accept.
You encounter 200 when when a call is answered (INVITE 200 OK), a registration succeeds (REGISTER 200 OK), or a subscription is accepted (SUBSCRIBE 200 OK).
You encounter 413 when when sending a SIP message with a body (SDP, XML, etc.) that exceeds the server's size limit.
Cuándo usar cada uno
For 200 (OK): No fix needed — this is a success response. The caller should send an ACK to complete the three-way handshake for INVITE transactions. For 413 (Request Entity Too Large): Reduce the size of the message body. For SDP, minimize codec offers or remove unnecessary attributes.