I moved your last reply from => here <= as:
You Ticket via your Polycom reseller is currently within the Tier 2 team and the Polycom Team will liaise with your reseller.
Is Lync 2013 supported on the HDX8000 Rev B codecs using the SIP/RTV licenses yet?
welcome to the Polycom Community.
License 5150-63389-001 (XRTV/CCCP license.
Enables support for Microsoft RTV codec and direct calls to MS AV MCU. Available for HDX 9006, HDX 8000 rev B, HDX 7000 rev C or D, HDX 6000, HDX 4500, HDX 4000 rev C.) to enable this feature
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