SIP 200 OK vs 484 Address Incomplete
SIP 200 (OK) is a 2xx Success response, while 484 (Address Incomplete) 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, 484 means that the Request-URI was incomplete. The server needs additional digits or information to route the call.
คำอธิบาย
The request has succeeded. For INVITE, the call has been answered. For other methods, the action has been completed successfully.
เมื่อคุณพบเห็น
When a call is answered (INVITE 200 OK), a registration succeeds (REGISTER 200 OK), or a subscription is accepted (SUBSCRIBE 200 OK).
วิธีแก้ไข
No fix needed — this is a success response. The caller should send an ACK to complete the three-way handshake for INVITE transactions.
คำอธิบาย
The Request-URI was incomplete. The server needs additional digits or information to route the call.
เมื่อคุณพบเห็น
When dialing a partial phone number that the server cannot resolve. Common in PSTN gateway scenarios with overlap dialing.
วิธีแก้ไข
Provide the complete destination address. Add missing digits or domain information to the Request-URI.
ความแตกต่างหลัก
200 is a 2xx Success response, while 484 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 484: The Request-URI was incomplete. The server needs additional digits or information to route the call.
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 484 when when dialing a partial phone number that the server cannot resolve. Common in PSTN gateway scenarios with overlap dialing.
ควรใช้อันไหนเมื่อไร
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 484 (Address Incomplete): Provide the complete destination address. Add missing digits or domain information to the Request-URI.