We are having issues with Cisco ATA 187, that suddenly unregister from our CUCM, and come back again after power cycling them. All of them are registered trough our CUCM Cluster running 8.5. The devices have 9-2-3, and I saw that there is a Special V...

Hi,We have a CUCM cluster (Pub-Sub running each one in a different UCS). The UCS got no drops on his Admin IP, and no drops too on the others appliances installed on them. The Sub is worst than Pub, I got constant ICMP drops from a normal machine (I'...