Did you know?
Only one participant needs a Skype Premium account for group video calls.
You can block a Messenger contact to prevent them from calling and instant messaging you, and from seeing your status.
To block a Messenger contact:
If the Messenger contact you’ve just blocked is also your Skype contact, you’ll need to block them in Skype as well.
To unblock a Messenger contact:
You’ll find the Messenger contacts you’ve blocked in People in the box under Limited access. Choose the contact you want to unblock, then select the Grant access button. The message “Your changes have been saved” will be displayed.