TLS v1.2 Not Working with my EXTRA! X-treme 9.6

We want to use TLS v1.2 for our EXTRA! X-treme 9,6.  When we try to connect with the Security Type set to TLS v1.2, we only get the lightning 501 message at the bottom of the screen.  Here is how we set up the Configure Connection screen:

Our network guys ran a trace and found the following communication between the client and server:

 

They said that EXTRA! was not sending a "Client Hello" message to the host based on the trace above.

Can you please advise me as to what I am doing incorrectly here.

Many thanks.