Lifesize Icon makes use of several 80/443TCP services such as pairing and software updates. Web proxies are designed to filter/restrict this traffic. Adding proxy configuration to the Icon series would help with this challenge.
I think this is an important feature if you deal with larger organization. Otherwise you need a dedicated internet connection for each system.
This is currently under development.
Will be part of the next Icon release - 3.5. Currently targeted for Nov.
3.6 added this capability:
Release Notes - Lifesize Cloud
Retrieving data ...