For the users it's easy to use and as administrator it's easy to manage.
As administrator you don't need to know all the features, you can just activate the ones you need and start using it.
As user it's very simple, similar to other chat or messaging systems.
Users find uncomfortable that the Trueconf activates the camera while they are not in a conference, they feel observed.
Sometimes it's needed to zoom to somewhere, maybe if you are too far from the webcam, it could be useful to have a digital zoom, with the current HD cameras the quality would not be greatly affected.
If you need a system that uses only the internal company network but allows external connections, this is your software. It also allows you to use different platforms.
We need a videoconference system for our internal company network, without consuming our reduced internet bandwidth.
Also it allows to use the videoconference system if a user need's to be outside the company network.