I need urgent help with a CUCM 6.1 cluster.
I just moved the Publisher to a new location, I've changed the IP address, reconfigure the voice gateways and dhcp option.
in one remote site, phones get unregistered with error code 13 (keepalivetimeout).
I've checked the network and everything is ok, latency is around 5-10 ms.
What bugs me is that not all the phones are gettings unregistered, only a few and alwasy the same.I upgraded the firmware, reset the phone but still nothing.
Also, when I ping the CCM from the switch where is it connected after 5 replys i got one timeout. The port switch is 1Gb/full duplex, with on errors.