Patent attributes
Systems and methods for facilitating communication between users of a collaboration service on a private network are presented. A first server is configured to host the collaboration service. A first client device corresponds to a registered user of the collaboration service. The first client device is in direct communication with the first server to use the collaboration service. An application portal instance is configured and deployed by a second server. The application portal instance is configured to directly connect to the first server. The application portal instance provides an indirect connection to the first server. The indirect connection is hidden from users of the system. A second client device corresponds to a non-registered user of the collaboration service. The second client device connects directly to the application portal instance. The first client device and the second client device communicate over the private network using the collaboration service.