Bought Idle timer plug-in, succesfully activated and installed it.

[root@localhost temp]# /usr/local/fop2/fop2_server --test
unable to initialize libusb: -99
Flash Operator Panel 2 - Valid License
Flash Operator Panel 2 - Featureset: Basic
Flash Operator Panel 2 - Allowed Tenants: 5
Flash Operator Panel 2 - Licensed Plugin: idletimer

But it works strange way. Example, when user make outside call, timer changed to show call duration. It's OK. But when user ends call idle timer start coundown from 01:57 to 00:00 and just then start countup.

I think I found reason. It looks like it's because time different in asterisk server and time at workstation where FOP2 client running. When I change local time on workstation +1 hour idle timer changed +1 hour.
I think it's wrond. Real situation when FOP2 user sitting in one time zone and asterisk in another time zone, then Idle timer will show wrong.