I have 2 CallManagers in different cluster, connected through inter-cluster trunk. I have a manager that need the same DN at each site to ring at the same time, so in case he was at any site, he can answer his calls.
No, although it looks similiar. Shared Line requires that one Call Controller (i.e. PBX) hosts both instances of the line. Simultaneous Ring allows the PBX to initiate ringing on two seperate DN's (whether they be local extensions, extensions attached to a different PBX, or PSTN numbers) and then connects the call with whichever DN answers first. The other call is simply dropped before it is answered.
I think the best option is the one already suggested; keep both of this user's phones on the same cluster. Better to have this user come back to the main site for services they to try and rig up some coconut and bamboo contraption that will be a significant drain on support.
These are the paths to get to each CCX logs through CLI. They may be helpful if you are having issues accessing RTMT or downloading logs through it.
If you want to download them you have to prefix "file get " and you can add one of the options (re...