Apparatus and method for on-line upgrade using proxy objects in server nodes

摘要

A telecommunication device capable of handling call connections between calling devices and called devices. The telecommunication device comprises: 1) a main processing unit capable of executing a plurality of client applications, wherein each of the client applications is associated with one of the call connections; and 2) a first call application node capable of executing a first primary server application. The first primary server application comprises a first proxy object that is associated with an upgrade adaptor group and wherein the first proxy object provides services to the plurality of client applications in response to requests the plurality of client applications.