I'm lLooking for advice on this topic please. SRST v8.6 running, working fine for SCCP devices and ATA187s. There is a Polycom  KIRK server that works on Call Manager but the devices do  not register on SRST. The server knows the IP address of SRST a...

Hi, we are consolidating several existing CUCM clusters running 7.1.5 and 8.6.2 into one new cluster running 10.5 on new hardware. PLM has been installed and the new cluster instance has been added, also the LCU utility has been run against the exist...

We need to move a Call Manager 8.6 cluster to a new location.The plan is to provide replacement UCS hardware at the new locaiton which will need new IP addresses and hostnames. The cluster has Security by Default, and there must be minimal user disru...

Got an existing cluster (6.1.4) that has a dial plan problem. The Line has a partition with an unfiltered 9.@, and the device has a partition with route filter 9.@ with route filter for Emergency calls (needed to ensure correct routing as all users a...