Last Modified: Apr 10, 2019
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Known Affected Versions:
13.1.0, 13.0.0, 12.1.2, 12.1.1, 12.1.0
Opened: Oct 21, 2016
Current implementation sends Traffic Change Usage (TCU) in MSCC at the same level as USU.
Interoperability with ZTE OCS, which requires it as a child USU (Used-Service-Unit)
Anytime there is a TCU.