| 摘要 |
PURPOSE:To call plural pocket beeper (PB) subscribers with one dialing by sending a 2nd dial tone from a PB exchange after the call processing of a pocket bell subscribed finished and allowing a caller subscriber to use a button dial signal for the entry. CONSTITUTION:A multi-frequency signal receiver in a signal device 3 of a PB exchange 1 receives a number signal of a called PB subscriber 7 dialed by a caller subscriber 6 via a subscriber exchange and an incoming trunk 2. The dial information received by the device 3 is sent to a control circuit 4, the information is interpretted, converted into a pocket beeper mobile set number, the result is sent to a radio equipment 5 and sent as a radio signal. Then the circuit 4 sends a 2nd dial tone from the signal device 3 as a transmission request signal of a next called PB subscriber number. A subscriber 6 sends a number signal of a 2nd PB subscriber 8 in terms of a PB signal together with an identification code. The PB signal receiver in the device 3 of the PB subscriber 8 sends the received dial information to the circuit 4. Then till the subscriber 6 is hooked on, the transmission and call operation of the 2nd dial tone is repeated. |
