| 摘要 |
A private radio switching system comprises a cordless handset 21n for communicating with the main switching apparatus of the switching system through a base station 110, and a cordless main telephone set 20n having a display and a plurality of functional keys used to connect with the main switching apparatus. The functional connection of the cordless handset 21n and the main telephone set 20n is accomplished through the steps of transmitting handset operational data generated by the cordless handset to the main telephone set by means of infrared ray (IR), RF or direct contact cordless data communication, displaying a message according to the operational data on the display of the main telephone set 20n, transmitting main set key data entered by the telephone main set 20n to the cordless handset 21n means of the cordless link and and operating the cordless handset 21n to transmit the main set key data to the base station 110 and thence to the main switching apparatus 100. |
