| 摘要 |
PURPOSE: To attain simultaneous call with respect to a terminal equipment of a specific relation among plural terminal equipments independently of stationary and mobile terminal equipments by calling a series of registered numbers independently and simultaneously, connecting a call to a terminal equipment replying the call at first and stopping simultaneous calling. CONSTITUTION: A call control section 11 receiving an incoming call signal from a relay protocol section 12 or a subscriber protocol section 13 makes a request of retrieval of a relating subscriber number to a database controller 15. When the incoming call number is included in a number registered as the related subscriber number among subscriber numbers of stationary terminal equipments 17 or mobile terminal equipments 18, it is reported to the call control section 11. The call control section 11 commands the incoming call processing with respect to the subscriber numbers of the stationary terminal equipments 17 or mobile terminal equipments 18 included in related subscriber numbers to the subscriber protocol section 13, which calls the numbers simultaneously. When a reply comes from any terminal equipment, simultaneous call is stopped and an incoming call is connected to a terminal equipment making a reply fastest. |
