Customer is trying to launch a video and it is blocked by their firewalls.
We can suggest the customer to White-list the below IP address.
IP: 126.96.36.199 (firstname.lastname@example.org)
IP: 188.8.131.52 (email@example.com - for litmos.com.au clients)
cdn1.litmos.com.au (for litmos.com.au clients)