The Release Matrix identifies the components that you need. A list of component documentation can also be found in the Resource Library. In addition, the Cisco Interoperability Portal aggregates information on how Cisco voice products integrate with legacy, TDM, and traditional voice systems. Links are provided here for your convenience.
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Cisco Interoperability Portal 
Ordering Tools
•Solution Expert is a web-based tool that assists in the design, configuration, quoting, and ordering of Unified Communications products. Solution Expert is available for Cisco sales and partner systems engineers who have Unified Communications specializations. To access Solution Expert, go to the following URL:
•Cisco Unified Contact Center Express/Cisco Unified IP IVR Ordering tool
http://www.cisco.com/en/US/partner/products/sw/custcosw/ps1846/prod_how_to_order.html 