Unified Communications Infrastructure

I need some help determining the process and impact of changing my Call Manager names under System > Server.For reference my cluster is version 14.  All nodes within the cluster were installed with a host name and the domain name is configured.  Addi...

Hi, We have requirement to use Cisco CUCM as primary call manager at one of the location via WAN. When there is WAN outage, all phones in that location should work via local Avaya call manager. Could you please suggest what kind of configuration I sh...

Hi Team, I would like to clarify about migrating Cisco unity connection VM or Call manager Virtual machine from Cisco UCS to another provider. I read from the below site that Vmware vSphere ESXi is mandatory for all virtualized deployments of Cisco C...

I've found some articles about this, but haven't really found something that's really up-to-date. I am currently running UC 10.5. We have a user, UserA, that has left our organization. The manager, UserB, is requesting to have UserA's extension and v...

Hi Everyone,Can we host the Cisco IOS SRST function on Dell VM? We have dell hypervisor machine running VM. Any suggestion to run the SRST over virtual machine?

Hello everyone, We have a cluster consisting of 5 CUCM servers (1 pub and 4 subs) and 2 Unity Connection servers (1pub and 1sub) that we want to upgrade to version 11.5 from current version 11.0.  What would be the correct procedure to gracefully shu...

I need to change the IP on an MGCP VG 310 but can't find documentation that tells whether any changes need to happen on the Gateway section in UCM. Could someone point me to the documentation on this or let me know about any required changes in CUCM?...

Hello dears   I hope you are doing well.   The reason of the discussion, is that we need tho change the TLS minimum version at 1.2, in CUCM 12.5(1)SU8a. Regarding the document "Security Guide for Cisco Unified Communications Manager, Release 12.5(1)"...

We are planning to test the failover of sip trunk by shutting down the primary interface to check if the calls are routing through the secondary sip trunk. I hope there is a configuration in cucm where we can choose the primary and secondary sip trun...