Patent ID: 8208448

Claim:
A dedicated channel entry method for a system of digital wireless communications including a base station for voice transmission with wired connection to a command console for voice input/output and with wireless connection to a plurality of mobile stations, wherein the digital wireless communications use a communication line which includes a communication channel having a plurality of slots and at least one slot of the plurality of slots is allocated as a dedicated channel, the method comprising steps of: executing a first communication procedure for selecting an arbitrary mobile station to be entered into the dedicated channel, the selected mobile station is set to a status in which the dedicated channel is selected; executing a second communication procedure for receiving a dedicated channel information notice including a dedicated channel number at the selected channel number with a further dedicated channel number set to the selected mobile station in the first communication procedure and if the received dedicated channel number and the further dedicated channel number are matched then the selected mobile station is entered to the dedicated channel so that the dedicated channel is activated to enter the selected mobile station to the dedicated channel; executing a third communication procedure for transmitting voices at a command station, respectively from said command console relative to the selected mobile station and receiving the voices at the selected mobile station by using the dedicated channel; and executing said communication procedures in a desired command to allow the selected mobile station to enter to said dedicated channel and receive voices from said command console transmitted via said dedicated channel.