Avoid web proxies or “free unblockers.” They often violate your organization’s security policy, expose your login credentials to third parties, and can get you banned from the network. Google’s security is strong — but a shady proxy isn’t.
Network administrators use several methods to block Google Chat: google chat unblocked
Google Chat, formerly known as Google Hangouts, is a popular communication platform used by millions of people around the world. However, some organizations, schools, and institutions may block access to Google Chat due to various reasons, such as: Avoid web proxies or “free unblockers