| 摘要 |
PURPOSE:To allow a mobile station to identify whether a caller is on the extension side or on an external line side at the time of incoming a call by allowing a stationary station to send information on whether or not the call is an external line call or an extension call as being included in a control signal sent in succession to an ID code to the mobile station. CONSTITUTION:Statioanry stations 22-1, 22-2 send information representing whether a call arrived in a mobile station via an exchange 21 and the stationary stations 22-1, 22-2 is an external line signal arrived in any of radio mobile stations 23-1-23-4 via a wired line 20 or an extension call arrived in any of the radio mobile stations 23-1-23-4 from any of terminal equipments 24-1-24-n via the exchange 21 or a call between the radio mobile stations to the mobile radio equipment, and the stationary stations 22-1, 22-2 has a means to send the information representing whether the call is an external line call or an extension call wile being included in a control signal in succession to an ID code to the mobile station. Then the incoming call information is sent from the radio stationary station to the radio mobile station via the exchange and the incoming call information is informed to the mobile station. |
