| 摘要 |
PURPOSE:To enhance the feature of an incoming call to a group without increasing traffic with a simple method by applying incoming call control in a radio service zone designated in the group in advance. CONSTITUTION:The system consists of a master set 1, connectors 2,3, cordless telephone sets 6-10, and radio service zones 4,5 resulting from the connectors 2,3. Then either the incoming control is implemented in the radio service zones 4,5 designated by the group or the radio service zones 4,5 having largest number of the cordless telephone sets 6-10 registered are retrieved and the incoming control is implemented from the radio service zone. Thus, the incoming call to the group of the cordless telephone sets 6-10 is controlled by a few traffic and by the method most suited to the form of utilization of the cordless telephone sets 6-10. |
