I have installed a Cisco UC320 with several 504G Stations running the current firmware - 2.1.1
The SLA on one of the phone's shows that another user is constantly on the phone, even when they are not. Is this a known bug? Or has anyone experienced this issue. Things will work correctly for a while after a system reset, but then the phones will stop updating the SLA status. Eventually this will happen accross all four of the 504g's that we are using.
This typically happens when the switch is blocking multicast traffic. Please check the storm control /security settings of the switch and disable multicast from it (storm control = broadcast only). Save/apply the config and the system should stabilize.
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