It is the subject of this invention to provide a method and a device that can process communications between all sorts of multi-media terminals.The method or device of this invention is applied or equipped between different multi-media terminals, each of which exists in each different address space. It watches packets under each communication protocol. It automatically compiles and deletes address information for address translation. And it stands proxy for calling and connecting between each multi-media terminal and the other multi-media terminal according to this address information.