CONFERENCE COMMUNICATION SYSTEM

PURPOSE:To obtain an economical conference communication system in system constitution without limit in number of conference participants by using a multi- address communication channel function of a ring network and an individual communication channel function. CONSTITUTION:The system is so constituted that a conference equipment 1 and plural conference terminal equipments 3 are connected to a ring type network communication line 4, the network communication line 4 is a time division multiplex communication channel and consists of a multi-address communication channel sending one and same information from one terminal equipment 3 to plural terminal equipments 3 and an individual communication channel sending information from one terminal equipment 3 to other terminal equipment 3. Then the conference information from the terminal equipments 3 is collected by the conference equipment 1 through the individual channel of the network communication line 4 to distribute one and same conference information to all the equipments participated in the conference through the multi-address communication channel of the line 4. Thus, the conference communication system is realized by an inexpensive line installation independently of number of conference participants.