| 摘要 |
PROBLEM TO BE SOLVED: To quickly specify slave stations available of connection and to relieve the overhead of re-connection by monitoring a connection state of the plural slave stations with a called state monitor terminal equipment having a connection state table so as to assign a slave station based on recording of the connection state of the connection state table. SOLUTION: Plural master stations 1-m belong to a master station group 1, and plural slave stations 1-n belong to a call reception exclusive slave station group 2 installed in a call reception center. The master station group 1 and the slave station group 2 are connected via an INS network 3 and a router 4. A call reception state monitor terminal equipment 5 monitoring a connection state of each slave station in the call reception center has a connection state table denoting a connection state of each slave station. The call reception state monitor terminal equipment 5 grasps unifiedly the connection state, sends addresses of slave stations not connected to a master station and the master station connects to the slave station based on the address. |
