We have Presence & CUCM 8.5 deployed.
Everything seems to work ok (Deskphone control, IM, etc) except when your deskphone is Off-hook, it is not changing the presence indicator to busy.
I have checked all the usual suspects are OK:
Any ideas on where to look?
I'd check the line association to user and user association to device.
Check owner ID on devices and subscribe CSS on device/user
HTH java if this helps, please rate www.cisco.com/go/pdihelpdesk
I have checked all that:
Any more ideas?