IP Telephony and Phones

Helowe are upgrading cucm & unity connection from 8.6.2 to version 10.Our cucm & unity connection is virtualized on UCS platform.I am trying to find out hardware requirment for cucm 10 if any but i couldn't get it.Can any body confirm the requirement...

I have a Unity server that was upgraded to 9.X from 7.X it was a single server now I need to make it a cluster and I cannot seem to make it work.The install of the subscriber fails due to the Publisher being a single server, If I install the HA licen...

Greetings,Recently I configured CME with two fxo ports and everything was working fine untill yesterday when no user is able to dial out!I have posted the config, how i left it on the day of commissioning. My second issue, not major at a moment is, I...

Our users with extension mobility their user not displaying on the phone. However CM shows user logedin into the phone. Check all the services running. Need quick answer. It does not show ipcc extension.

Hi all, I am trying to find a cause for ccm process high memory utilization in one of our CUCM clusters.Version is 7.1.5.33900. Cluster consists of Pub + 4 Sub. The problem is that memory utilization of one of Subs is increasing day by day. We have r...

                   we are in phase of designing VOIP solution for my company, I have to complete the creation of the designing solution with my own.So , If any one want to help I will be so welcome and very grateful. waiting for your replies!!!!

we have the following set up CUCM ====>SIP TRUNK====>CUBE======>SIP Trunk to ITSP We have contracted for 8 SIP channels.  How will the calls route if all 8 channels are full?  We have a route group that has the CUBE to ITSP and also an MGCP gateway P...

Hello Guru's -I recently impletemented a medium sized CUCME 9.1 solution in which all users (about 75) are using extension mobility because they change desks often based on the job function they are performing.The site admin requested that the users ...

Hi,I have just installed a cisco IP telephony network using a third party LAN Switch POE. All thnig seems work good, but when i add a expansion module Cisco Unified IP Color Key Expansion Module" to cisco IP phone 9971, the expansion module couldn"t ...

We have a group of 7942 phones that are not logging missed calls. Not all phones are affected.