The invention provides an enterprise interconnected office
system based on cluster communication. The
system comprises a user terminal, a public
cloud server, and different organizational servers connected with the public
cloud server and
the internet, wherein the servers comprise private cloud servers Y1-YN, enterprise boxes H1-HK and one or more private servers S1-ST; the public
cloud server is provided with a customized
enterprise application module, and sets login accounts and authorities for user terminals; the
system supports multiple user terminals of different enterprise organizations to access the system via the private servers and the private cloud servers, and supports local access enterprise boxes to log in the system or via
domain name analysis of the public
server, thus realizing network cluster communication, internal and external
interconnection between enterprise members and customers, enterprise
social collaboration, real-time communication and business communication at any time and any place, and providing a cluster communication office platform for the user terminals of different enterprises and organizations.