ports of bowob

Hi, recently i have been installed bowob plugin for wordpress.

but they are not charging the chat in the university where is placed the server.

in this university network we have a proxy that blocks key words, some ports or sockets. my question is, how bowob do the connection? it use any port? keyword? socket?

this is important for do unlock this.

thanks, santiago bernal
(sorry for my bad english :$ )

https://www.ads-software.com/extend/plugins/bowob/