SIP 301 Moved Permanently vs 437 Unsupported Certificate
SIP 301 (Moved Permanently) is a 3xx Redirection response, while 437 (Unsupported Certificate) is a 4xx Client Failure response. 301 indicates that the user can no longer be found at the address in the Request-URI. The client should direct future requests to the new address in the Contact header. In contrast, 437 means that the server was unable to validate the certificate referenced by the Identity-Info header. The certificate may be self-signed or from an untrusted CA.
Descrição
The user can no longer be found at the address in the Request-URI. The client should direct future requests to the new address in the Contact header.
Quando você o vê
When a user has permanently changed their SIP address. All future calls should be directed to the new URI.
Como corrigir
Update your address book or routing tables to use the new Contact URI provided in the response.
Descrição
The server was unable to validate the certificate referenced by the Identity-Info header. The certificate may be self-signed or from an untrusted CA.
Quando você o vê
When the signing certificate for SIP Identity validation is not trusted by the verifying server.
Como corrigir
Use a certificate from a trusted Certificate Authority. Ensure the certificate chain is complete and not expired.
Diferenças principais
301 is a 3xx Redirection response, while 437 is a 4xx Client Failure response.
SIP 301: The user can no longer be found at the address in the Request-URI. The client should direct future requests to the new address in the Contact header.
SIP 437: The server was unable to validate the certificate referenced by the Identity-Info header. The certificate may be self-signed or from an untrusted CA.
You encounter 301 when when a user has permanently changed their SIP address. All future calls should be directed to the new URI.
You encounter 437 when when the signing certificate for SIP Identity validation is not trusted by the verifying server.
Quando usar qual
For 301 (Moved Permanently): Update your address book or routing tables to use the new Contact URI provided in the response. For 437 (Unsupported Certificate): Use a certificate from a trusted Certificate Authority. Ensure the certificate chain is complete and not expired.