SIP 301 Moved Permanently vs 410 Gone
SIP 301 (Moved Permanently) is a 3xx Redirection response, while 410 (Gone) 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, 410 means that the requested resource is no longer available at the server and no forwarding address is known. This is expected to be a permanent condition.
Description
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.
When You See It
When a user has permanently changed their SIP address. All future calls should be directed to the new URI.
How to Fix
Update your address book or routing tables to use the new Contact URI provided in the response.
Description
The requested resource is no longer available at the server and no forwarding address is known. This is expected to be a permanent condition.
When You See It
When a user account has been permanently deactivated or removed from the server with no forwarding information.
How to Fix
The user is permanently gone. Remove this URI from your contacts. Unlike 404, the server knows the user once existed here.
Key Differences
301 is a 3xx Redirection response, while 410 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 410: The requested resource is no longer available at the server and no forwarding address is known. This is expected to be a permanent condition.
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 410 when when a user account has been permanently deactivated or removed from the server with no forwarding information.
When to Use Which
For 301 (Moved Permanently): Update your address book or routing tables to use the new Contact URI provided in the response. For 410 (Gone): The user is permanently gone. Remove this URI from your contacts. Unlike 404, the server knows the user once existed here.