Good Afternoon, 

We wanted to highlight the additional IP addresses that may need to be included in Customer Premises Equipment and Routers in advance of them going live on 16/04/22

Further information is available in the Simplified Hosted UC - Network/Router Configuration Information section of our knowledgebase this particular article is currently available without a user name and password so you can pass this information on to customers and network admins. 

Kind Regards 

Beyond Technical