The initially reported issue that I am aware of was fixed in UCS 4.0.4
It should be in the release notes as:
Anything else within this post that does not cover the above needs to be logged via the Polycom reseller so Polycom support can look at it.
Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.
Polycom Global Services
Found it and also tested myself - can confirm that this bug is now resolved in 4.0.7
thanks for the quick reply as always Steffen...