Spark 2.5.8 Conference Room Time Stamp Wrong

When I login to conference rooms using Spark client all of the history time stamps appear with the date and time of entry into the room. It is not showing the hostorical time stamps. This works fine in other clients and appears to be only an issue within Spark client. Any ideas???

As we’ve find out yesterday in the chat, this is happening when using Sun’s instant messaging server (from Sun Communications Suite). It works fine with Openfire server. So, this server is doing something different to Openfire when sending old history messages to the client.