Is the device you're trying to call registered to your Pexip environment? Looking at your picture it looks like you're dialing a 10.0 address - funny the remote and callback numbers look the same at the bottom. If it's an internal device why don't yo...
this sounds like a network security issue - is your network 802.1x enabled? If so you will need certs installed on the desk hub to enable it on your network. Try it on an open network (like a home network), if it works in that scenario that's definit...
Yes - that should definitely work if configured correctly. I have a number of rooms where the cameras are physically connected to the codec but a Crestron panel can control them. Shouldn't be an issue.