Cisco Collab Design Guides
http://www.cisco.com/c/en/us/support/unified-communications/unified-communications-manager-callmanager/products-implementation-design-guides-list.html

Cisco Collab 11 SRND
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/collab11/collab11.html

Cisco UC Roadmap
http://www.cisco.com/c/en/us/support/unified-communications/unified-communications-manager-callmanager/products-documentation-roadmaps-list.html (Programming Guides available within this)

Cisco Unity Connection Design Guides
http://www.cisco.com/c/en/us/support/unified-communications/unity-connection/products-implementation-design-guides-list.html

UCCX Design Guides
http://www.cisco.com/c/enhttp://www.cisco.com/c/en/us/support/unified-communications/unified-communications-manager-callmanager/products-implementation-design-guides-list.html/us/support/customer-collaboration/unified-contact-center-express/products-implementation-design-guides-list.html

UCCX 11 SRND
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cust_contact/contact_center/crs/express_11_0/design/guide/UCCX_BK_U3AF2742_00_unified-ccx-design-guide-11.html

Cisco Expressway
http://www.cisco.com/c/en/us/support/unified-communications/expressway-series/tsd-products-support-series-home.html

Cisco Expressway Remote Deployment Guide
http://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X8-6/Mobile-Remote-Access-via-Expressway-Deployment-Guide-X8-6.pdf