SIP 300 Multiple Choices vs 513 Message Too Large
SIP 300 (Multiple Choices) is a 3xx Redirection response, while 513 (Message Too Large) is a 5xx Server Failure response. 300 indicates that the address in the request resolved to several choices, each with its own location. The user or UA can select a preferred communication endpoint. In contrast, 513 means that the server was unable to process the request since the entire SIP message (not just the body) exceeded the size limit.
Mô tả
The address in the request resolved to several choices, each with its own location. The user or UA can select a preferred communication endpoint.
Khi bạn thấy mã này
When a user has multiple registered devices or contact addresses and the server cannot determine which one to use.
Cách khắc phục
Select one of the provided Contact addresses and resend the request to that specific URI.
Mô tả
The server was unable to process the request since the entire SIP message (not just the body) exceeded the size limit.
Khi bạn thấy mã này
When the total SIP message (headers + body) is too large. Different from 413 which refers only to the body.
Cách khắc phục
Reduce the message size by removing unnecessary headers or reducing the SDP size. Consider using UDP-compatible message sizes (< 1300 bytes).
Sự khác biệt chính
300 is a 3xx Redirection response, while 513 is a 5xx Server Failure response.
SIP 300: The address in the request resolved to several choices, each with its own location. The user or UA can select a preferred communication endpoint.
SIP 513: The server was unable to process the request since the entire SIP message (not just the body) exceeded the size limit.
You encounter 300 when when a user has multiple registered devices or contact addresses and the server cannot determine which one to use.
You encounter 513 when when the total SIP message (headers + body) is too large. Different from 413 which refers only to the body.
Khi nào dùng cái nào
For 300 (Multiple Choices): Select one of the provided Contact addresses and resend the request to that specific URI. For 513 (Message Too Large): Reduce the message size by removing unnecessary headers or reducing the SDP size. Consider using UDP-compatible message sizes (< 1300 bytes).