How to check if a firewall port is open

Can the Micollab reach the MIVB on port TCP 7050 (SDS)?

Connect to the Micollab via putty. Check this post if you dont know how

login as root and run command nc -vz {host} {port}

This is me pinging a MIVB then checking port 7050 is open

How do I remove 911 emergency calls warning on Micollab client?

Since version 9.2 of the Micollab server clients recieve this warning when starting the application

To remove this warning you require access to he Micollab server

The step to remove the warnings can be set in

Micollab client service / Enterprise / Default account settings / Enable E911 warning