Unified Communications Infrastructure

I am attempting to install a subscriber CUCM server on a brand new UCS C220 M3BE. The installation of the publisher went perfectly fine, when I am installing the subscriber, I get the following message:The installation has encountered a unrecoverable...

Hello, My name is Jerry Harris and the question is is their another way or toll to do a backup of the call manager database. We are using V10.5 and the workstation that we are trying to backup to is STIGed.  Jerry Harris Apriva

Hi Team, I am using CUCM 10.5. I would like to know how many users have set forwarder on their extensions. Can somebody help me out? Regards, Krushna

Hello, I have a question about remote SIP trunking. We have a host site with 2 remote site. Everything is connected in VPN between router. When the router lose internet connection the remote SIP trunk show no service. When we try to reset the trunk...

Hi Experts, We have existing CUCM 11 and need to register new additional 5 units of third party IP phones which are Polycom SoundStation. What license part number I need to order. I read a deployment guide that each SoundStation IP connected to CUCM ...

Hi Team,  I have one of the customer on CUCM Rel8.6 on UCS C200M2 Platform having 300 IP End points ( and the customer wants to upgrade to the existing Setup to Latest Rel 10.5)  Need to understand the output report of License Count Utility and pleas...

having cucm 105.x and phones model: 9951 7821 dx650 and vg204.. sometime on call with other party, 9951 going in preservation mode but servers are running fine.. what could be issue and how can resolve it as it is happening for 9951 models only?

Hello, I have CUCM Publisher and Subscriber, my problem is when i try the redundancy, the Voicemail and incoming call fails, everything else works correctly, which could be the failure, it will be subject of licensing?. Thanks.