I opened a support case for clarification. It went back and forth a couple times, but the current answer is as follows:
"The Unified CABI team insisted that there are currently only 2 versions of Unified CABI.
6.3 which is available and 7.1.1 which is still a work in progress."
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Solution Architect
DICOS GmbH Kommunikationssysteme
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Original Message:
Sent: 03-15-2019 10:32 AM
From: Jay Wink
Subject: Re: Unified CABI 6.4.3?