Inbound calls from PSTN randomly complete.  Isdn q931, ccapi, h225, and h245 debugs indicates the calls gets to the H323 gateway and sends the call setup to the call manager; however, sometimes the gateway does not hear back from the call manager, an...

What is the preliminary steps or step by step instructions on adding an exchange partner server to Unity?I don't seem to find anywhere on Cisco site for this? Any links will be helpful.

During a calls, phone will display 'UCM Down/Features Disabled', call gets dropped, reboots, and register again.this keeps happening frequently.Any resolutions on this?

I have two 7975 phones, one with side car, and the other without.  Both are experiencing reboots several time a day. Switch logs has no disconnects on the one with the side module, but has disconnects about the phone on the one without.Their PCs stil...

When transferring a call from Phone A to Phone B, the system drops the call directly into Phone B's voice mail before 'transfer' is even hit for the second time.'Call forward all' is off on the Phone B.Has anyone experienced this issue, and what was ...