Update statusMay 2023
Product relevance

ProCall 8 Enterprise

ProCall 7 Enterprise

In order for estos ProCall mobile apps to be supplied with messages from the estos ProCall Enterprise server even in background operation on smartphones, the estos UCConnect push service must be used.

It must always be possible for the estos ProCall Enterprise server to reach this UCConnect cloud service.
Diagram/topology: UCServer service - UCConnect Push Service - Mobile App 

Rule #TaskDirectionSource IP: PortDestination IP: PortProtocolComments
1Push notificationsOUTUCServer:anyucpush.ucconnect.de:443TLS/TCP

Further information

Best practice: Setting up the UCServer for ProCall mobile apps

Hostnames and IP addresses of online services for firewall configuration