Unified Communications Infrastructure

Hello, I configured a Cisco 2921 CME version 9.1 and testing to register a Cisco 7942G (SCCP42.8-5-3S load)  phone on the internet to this CME. I see the phone sending a SYN packet to the CME, but CME does not respond with a SYN,ACK. Instead it is s...

I'm responsible for two CUCM Clusters both running System Version 10.5.2.12901-1 and both have identical Phone Firmware Loads. The problem I have identified is that Cluster 1 (with 15,971 Phones) shows ALL Phones show NO Devices Not Using Default Loa...

I have a fault where User reporting an issue with the Cisco phones. There are 6 phones affected. When they get a voicemail on the phones, if they listen to it on one phone it should clear the mailbox for all of the other phones. In the last month its...

Hello, dear Cisco Community. One of our customers has CUCM infrastructure but two separated offices with different numbering plan and features required. Therefore CUCM calling, UCCX for IVR, IMP for jabber and Expressway for RMA and maybe Expressway ...

Hi i  installed CUCM  subcriber and when i tried to install upgrade available on the first node (cm-local and device pack ...) a get a error message and  after checking the system i found that the active partition is full (100%) what should i do  to ...

Hello all,I would like to have a complete tutorial demonstrating how I can build a trunk between CUCM and Elastix or Freepbx in a vmware workstation environnement ( or virtual box )I hope you can be able to help on this , it's the first time to post ...

Hi All, Quick little question because I can't find the answer.  Does CUCM support an out of band management connection? when I install the virtual appliance it comes with 1 ethernet interface. What I'd like is to add a 2nd interface for out of band...

CUCM and CUC are running 11.5.1.11900-26 as well.   Attempting to install IM and Presence I receive the following error: Receiving the following window: Then the critical error This is a new install and not an upgrade.  

Hi i have cisco MediaSense 10.5 , after changing the Ip confguration of the server i get the error message "unable to login as Config service is down" i used the command :utils service restart Cisco MediaSense Configuration Service and service is sta...

hi i have a cluster cucm 10.5 (1 pub and 2 sub) and 2 Cisco presence server 10.5 (pub and sub) for the purpose of installing new CUCM subscriber and because i forgot the security password i rested it on all server cucm after rebooting the 2 Cisco pre...

Hi All, Good Day. I would like to inquire if we need to rehost the license of CUCM 8.6 once we change its Network Configuration (IP Address, DNS, etc)? I already tried to change a network configuration of a CUCM version 9 but it did not require the ...