Hi,  We have a centralised CUCM cluster and need to install Unity Connection on a remote site. The design guides show this is supported but I can't find any minimum bandwidth requirements for the WAN between CUCM and UCN other than the standard min 1...

We have just installed DotNET Framework 2 SP1 onto the Unity server 4.0.3 and following the installtion it failed to deliver voice mail to the mailboxes. Removing SP1 resolved the problem. I know this is an old release but has anyone come across thi...

We are installing a remote office in Russia and we need to order the kit for an ISDN 30. Can someone confirm that it is E1 and also the type which we need to configure on the interface.Many thanks. KA

We have a customer running CUMC V4 with a remote site across a private leased line. At the remote site we have IP phones and two H323 voice gateways. Users at the remote site can make internal local calls and calls across the WAN. They can make and ...

Does anyone know whether there is a UPS client for the Communications Manager version 5/6? Customers who were on Version 4 had a UPS client installed on the CUCM to power the system down in the event the UPS power is lost