PURPOSE: To simplify the processing and operation attended with a connection revision of a terminal equipment and to attain the connection revision by general-purpose connection processing by managing the connection state between other terminal equipments for each terminal equipment and attaining connection processing corresponding to a change in the connection state

CONSTITUTION: In the inter-multi-spot connection method interconnecting plural terminal equipments in the distributed connection state, an identifier as to an already connected terminal equipment, a terminal equipment to be connected, and an interrupted terminal equipment is registered to each terminal equipment depending on the connection state such as connected, addition and interrupt and number of connected terminal equipments are registered in a connection terminal equipment management table. Each terminal equipment manages the connection state with other terminal equipments corresponding to the management table and makes connection processing with other terminal equipments corresponding to the change in the connection state. Thus, the processing and operation in each terminal equipment are simplified when a new terminal equipment is participated or an existing terminal equipment is released.