We have some SPA525G2s that are losing registration randomly. They are connected to a UC320 and SG500 Series switches. They're on the correct VLAN and the UC sees the switch as a CDP Neighboor. It's occured both with a hardwired phone and a wireless phone. Ideas on what I can check or a way to determine what's causing them to randomly lose registration? It doesn't happen every day but maybe once a week randomly.
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