| 摘要 |
PURPOSE:To display a state message at a cordless telephone set on a call originating side equipment by using SLT connection. CONSTITUTION:When there is an incoming call from an ISDN network 1 to an SLT connected cordless telephone set 6, a control part 4 transmits the state message just under radio connection to the ISDN network 1 from a message memory part 3 through an ISDN interface part 2 to the call originating side equipment. When no response is performed from the cordless telephone set 6, a radio connection disable state message is transmitted. |
