Patent ID: 7085589
Filing Date: 2006-08-01
Classification: H04M,H04Q

Abstract:
1. A multifunction telephone switching system comprising: a portable radiophone; a plurality of multifunction telephones, a specific one of which is connected to said portable radiophone; and a control unit connected to said plurality of multifunction telephones to manage said plurality of multifunction telephones, wherein, when said specific multifunction telephone notifies said control unit of a call arrival at said portable radiophone, in response, said control unit switches said same specific multifunction telephone, provided said same specific multifunction telephone is available, from a wired line communication mode to a radio communication mode to answer a call addressed to said portable radiophone via said specific multifunction telephone, said control unit permits response to an arrived call for said specific multifunction telephone based on an operation state of said specific multifunction telephone, and said specific multifunction telephone responds to said arrived call at said portable radiophone in response to the permission.