Intercommunication apparatus and communication method using the intercommunication apparatus

摘要

In an intercommunication apparatus (1), a frame converting portion (30) is provided for interconversion between MAC (Media Access Control) frame encapsulation data and LLC/SNAP (Logical Link Control/SubNetwork Attachment Point) encapsulation data by the use of information related to IPOA (Internet Protocol over Asynchronous Transfer Mode) terminals (200a-200c) and registered in an IPOA server (40).