Non-integrated messaging service with the server and method and a system therefor to provide a unified messaging service for interworking

The invention Unified Messaging (Converged-IP Messaging: CPM) proposes a system and method for interworking a service and other messaging services. In particular, the present invention implements a function for integrated messaging service to the recipient is received using a non-integrated messaging service recipient has subscribed to an outgoing message from another sender the Unified Messaging Service. To this end the present invention in determining a non-integrated messaging services to the recipients of the interworking utilizes the preferences (preference) information. Thus, there is an effect that the Unified Messaging service provides expanded area can be linked to non-Unified Messaging Service service. Unified messaging, interworking