| 摘要 |
PROBLEM TO BE SOLVED: To allow a radio terminal equipment to recognize a state of other radio terminal equipment by adding a number of the other radio terminal equipment belonging to the same radio zone as the radio terminal equipment requesting position registration to a position registration reception signal and sending the resulting signal. SOLUTION: The radio communication system is made up of a public line 102 and a network controller 101. The network controller 101 acts like a central control station and a radio zone managed by each central control station is shown in an ellipse. Then a radio telephone set 103 and radio data terminal equipments 104-109 conducting data communication and communication of control data with other terminal equipment stations or the central control station are resident in the management zone. In the case that the central control station 101 receives a position registration request from the radio terminal equipment, the identification code and/or the extension number of the radio terminal equipment as the number of the other terminal equipment belonging to the same radio zone as the concerned radio terminal equipment are added to the position registration reception signal and the resulting signal is sent. |
