I am in a call group but I not receiving any incoming calls?

Question 

I was recently added to a call group, and now I am not receiving any calls?

Answer

It is important that the function call center is activated, this can be found in collaboration / settings / contact center. Follow the steps below: 

1. Settings
2. Contact center 
3. Sign-on in the call groups below 
4. When you change the status to Unavailable away/DND, then activate this switch 

The switch must be green, both Sign-on and Unavailable on Away / dnd