I have stumbled on an issue. We have a site running SIP services and I have a 2911 Cisco router running CUBE. There is a DID on the SIP service that points to a Unity Call Handler. When I hit the greeting for that Unity Call Handler and then dial an extension (option if you know your parties extension...) the phone call will either drop or at times, ring the extension but if not picked... will drop when the call should go that users voicemail greetings. I translated a spare DID on our PRI to point to the same Call Handler and found this was not an issue. I then checked our other SIP sites and found those have the same problem.
Running CM 8.5
Unity Connections 8.5
Any idea's?? SIP CUBE is new to me so I may be missing something in the config??