SIP 300 Multiple Choices vs 436 Bad Identity-Info
SIP 300 (Multiple Choices) is a 3xx Redirection response, while 436 (Bad Identity-Info) is a 4xx Client 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, 436 means that the Identity-Info header contains a URI that the server cannot dereference to obtain the signing certificate.
الوصف
The address in the request resolved to several choices, each with its own location. The user or UA can select a preferred communication endpoint.
متى تراه
When a user has multiple registered devices or contact addresses and the server cannot determine which one to use.
كيفية الإصلاح
Select one of the provided Contact addresses and resend the request to that specific URI.
الوصف
The Identity-Info header contains a URI that the server cannot dereference to obtain the signing certificate.
متى تراه
When the Identity-Info URI in the request points to an unreachable or invalid certificate location.
كيفية الإصلاح
Ensure the Identity-Info URI is reachable and points to a valid certificate. Check DNS resolution and TLS configuration.
الفروق الرئيسية
300 is a 3xx Redirection response, while 436 is a 4xx Client 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 436: The Identity-Info header contains a URI that the server cannot dereference to obtain the signing certificate.
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 436 when when the Identity-Info URI in the request points to an unreachable or invalid certificate location.
متى تستخدم أيًا منهما
For 300 (Multiple Choices): Select one of the provided Contact addresses and resend the request to that specific URI. For 436 (Bad Identity-Info): Ensure the Identity-Info URI is reachable and points to a valid certificate. Check DNS resolution and TLS configuration.