IPv6 support in Cisco UC - especially CUAC

Guys,
Does anyone have any recent detailed information on IPv6 support and Cisco UC?  The documentation on CCO is out of date by 3 years and doesn’t include information on applications such as Attendant Console (CUAC).  The latest documentation from the UC 10.0 Beta Training is very high level.  With key features like extension mobility not supporting IPv6, it’s difficult for us to advise customers on deploying a Cisco UC deployments whilst they are planning migrations to IPv6. 
Does CUAC support IPv6?
Any updated details on Cisco UC support would be very much appreciated!
Thanks
Jonny

The philosophical direction of Cisco is to have full IPv4 and IPv6  parity across feature sets.  Any IPv4 feature should appear in the same  license level of software for IPv6.
That said, some older software and platforms may have been missed.
See
https://supportforums.cisco.com/community/netpro/network-infrastructure/ipv6-transition/blog/2011/09/21/ipv6-feature-packaging-in-cisco-routers-and-switches
See if the problem persists with the latest version.  If so, I'd treat it as a bug and open a case.

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