In the next step, select your provider or your PBX / gateway.
Follow the setup wizard.
Depending on the connection, you must specify the IP address or the domain, as well as data for authentication in your telephone system / gateway or the provider.
You can find examples of installations for your telephone system on the estos website for "Unified Messaging with ixi-UMS Business". (www.estos.de/produkte/ixi-ums-business)