Andre,   Thank you! This temp fix worked for me so I could keep services up until my server admins update the DNS records for reverse lookup.     xConfiguration XCP TLS Certificate CVS EnableCvs: Off

So, we have a 4331 router now in "CUBE" mode.  Is it that the device can only run in either"border-element" mode or CME, not co-resident? I ask as my remote location only has CUBE there and no call controll device for the video endpoints.I'm thinking...

Did you update your trusted ip address list on the 4331? As a security measure, you have to add trusted IP addresses to a list in the config: voice service voip ip address trusted list ipv4 10.11.12.13 ipv4 10.11.12.14 ipv4 10.11.12.15 Then to veri...

Try:///This is a global configurationvoice service voipsip  pass-thru content sdp  pass-thru headers unsupp  pass-thru content unsupp!///do this to all video dialpeersdial-peer voice XX voipno voice-class codec 1video codec h264codec transparent