Unified Communications Infrastructure

I have a BE6K C220, this server has a vmware esxi 6.5, and need to connect that with two cables as aggregation to trunk ports on the switch, how can I do that, what can I do on the vlan option on the esxi console and must check the two nic boxes? wha...

Hello  We have a cucm version 6.1.4.2000-2 and need to upgrade that to 12.5. this old server is located on MCS and bought a new ucs BE6k. so I need the steps to for this upgrade and migrate ? Thanks

When call forwarding is off,  incoming and outgoing calls on CUCM works correctly to all directions(to mobile, to different cities, to different countries). The CUCM connection is that: IP phones - CUCM - MGCP gateways(Cisco 2921) - PSTN. We have 6 d...

Hi Experts, CUCM: 11.5 I have a CAPF cert signed by our Intermediate CA. Uploaded the Intermediate CA as CAPF-trust and CallManager-trust. Just wondering if do we need to install the root CA as well? Read some docs and all were being signed by root C...

Hi,Now I try to integrate CUCM vers 11.5 with ALCATEL vers 12 via SIP Trunk.When I call from cisco phone (CUCM side) to Alcatel phone (Alcatel Side) everything is normally.But when I call from Alcatel phone to Cisco phone voice will delay around 1-2 ...

I faced with name transmit trouble at SIP trunk beetwen CUCM 11.5 and CUCM 7.1 Correct Ringing:Use following fieldRemote-Party-ID: "Name" <sip:07827991@10.58.40.12>;party=called;screen=yes;privacy=offRemote-Party-ID: "Name" <sip:07827991@10.58.40.12;...

Hi, CUCM: 11.5  We have 802.1x enabled on our phones, all are working. Phones can authenticate with the NAC and can get IP addresses. We are planning to enable Mixed-Mode in our environment and just wondering if there should be done with CAPF certs a...

 Hi fellows, I am a beginner at Collaboration technologies and will really appreciate if you guys can help me out in setting up a voice infrastructure setup at my work project. So we have 2 office sites, one in US and one in Canada (Total of less tha...

Hi,We have an environment with Callmanager Express and several DNs, including 1010 and 1020.We need to apply the following configuration: DN 1010 should forward all incoming calls to DN 1020, EXCEPT calls originating from 1020. Is this possible to ap...

I am trying to integrate CME with CUC, however it does not work. Reviewing the the Invite from CME to CUC, I dont't  see the Diversion field. Any One, know how can enable on the CME...?

https://youtu.be/bI-awqzuaTY  ipad cms management app which based on our cms management solution.  service@lcsftech.com 

Just wondering if anyone of you had experience to migrate CMBE 8.X to BE6K 11.X. As you know, CMBE shares IP with CUCM and Unity, so I am curious to know how to migrate or restore the Unity Connection. Thanks for any replies.

Having issue getting past the connectivity validation point on the installation of the new Subscriber VM.   The Publisher (version 10.5.2.18900-15) has been running as a standalone CUCM for 3 years, and the customer has installed another new ESXi Ser...

So we currently have 800 #'s that most of our customers use, these are translated on our 4300 routers using num-exp and a matching dial-peer to Call Manager. The DN in CUCM is set to forward to voicemail, which then goes to a System Call Handler. Tha...