Cisco Unified Communications Manager 8.5(1) Service Update 1 will include a new native 64-bit TSP client.
Our Unified CM 8.5 TSP 64-bit client will support both Windows 7 (64-bit) and Windows 2008 Server R2 (64-bit).
Unified CM 8.5(1) SU1 is expected to be available on Cisco.com Feb 2011.
Any schedule changes will be posted here.
George Gary, Product Manager
Cisco Unified Communications