SIP 200 OK vs 433 Anonymity Disallowed
SIP 200 (OK) is a 2xx Success response, while 433 (Anonymity Disallowed) 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, 433 means that the request has been rejected because the server policy requires caller identification and the request was anonymous.
説明
The request has succeeded. For INVITE, the call has been answered. For other methods, the action has been completed successfully.
このコードが表示される場合
When a call is answered (INVITE 200 OK), a registration succeeds (REGISTER 200 OK), or a subscription is accepted (SUBSCRIBE 200 OK).
解決方法
No fix needed — this is a success response. The caller should send an ACK to complete the three-way handshake for INVITE transactions.
説明
The request has been rejected because the server policy requires caller identification and the request was anonymous.
このコードが表示される場合
When calling with caller ID suppressed (anonymous) to a server or destination that requires caller identification.
解決方法
Remove the Privacy header or include proper caller identification. Some networks require valid From header identity.
主な違い
200 is a 2xx Success response, while 433 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 433: The request has been rejected because the server policy requires caller identification and the request was anonymous.
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 433 when when calling with caller ID suppressed (anonymous) to a server or destination that requires caller identification.
どちらをいつ使うか
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 433 (Anonymity Disallowed): Remove the Privacy header or include proper caller identification. Some networks require valid From header identity.