Hi Robin,
This is actually a "new" Device Pack for CUCM 8.6(2) rather than
a new CUCM version release. See below
Cisco Unified Communications Manager Device Package 8.6(2)
(24106-2) Release Notes
http://www.cisco.com/web/software/282074299/108461/CiscoUnifiedCommunicationsManagerDevicePackage8.6.2.pdf
The latest CUCM release for 8.6(2) is;
8.6(2a)su3 US Export Restricted - full encryption capabilities (non-bootable) - For upgrade from 8.x+. Upgrades from 6.1(4)+, 7.1(3), 7.1(5) need to be requested via PUT (www.cisco.com/upgrade) or purchased to obtain necessary license
UCSInstall_UCOS_8.6.2.23900-10.sgn.iso
Cheers!
Rob
"When it comes to luck you make your own "
- Springsteen