Unified Communications Infrastructure

If you're deploying a small site w/ roughly 500 users on non-UCS hardware should you use the 2500 user OVA or the 1K user?  I know the 1K user is labeled for C200 only but not sure if that was legacy and still applied (I've been told there isn't an i...

Where we can download cisco unified communications audit tool (UCAT)? is there any trial version?Or is there any similar application?

Working on a CUCM w/ a MGCP gateway that has a pri attached and trying to understand call flow.  This is a snippet of a q931 from taken using RTMT: Inbound Q931 SETUP message from 192.168.10.5 at timestamp 09/03/2021 09:17:06.759 SETUP, pd = 8, call...

Hi, is it seamless for VG3925 voice gateway to transition from the existing CUCM v10 to v14 with the same IP address? How about with LDAP Server, is there will be no problem arises when it communicates to a new and different CUCM server with the same...

Hi,I was generating and renewing our self-signed and CA signed certificates on the CUC server.  We are currently using a CA signed Tomcat certificate. My question if we are the CA signed Tomcat certificate then there isn't a need to regenerate the To...

Dear All, We have Expressway Series (C&E) clusters connected with CUCM and CMS servers and we have multiple Video endpoints registered as MRA as well as native registration to CUCM over LAN / WAN. We are calling to Webex Cloud via DNS zone as a B2B c...

How can I find in Call Manager all phones with a specific AAR Destination Mask so that I can export to a list?

Hi there.. I am relatively new to collaboration, and a particular task I am working on currently requires guidance from the wider Cisco community. In my organisation, we currently utilise 4x CMS's spread across 2 clusters in two different DC's. The C...

Does CER 11.5(4) SU2 support 9200 switches?In particular C9200L-48P-4XI am confused by the release notes.In Release Notes for 11.5(4) SU2, the 9200 are listed in the Supported Switches.But it is not until 11.5(4) SU3 where the Release Notes Introduct...