| 摘要 |
PROBLEM TO BE SOLVED: To provide a relay device and a communication system, designating a particular subunit at an incoming call from a telephone unit, enabling communication with only the particular subunit.SOLUTION: The relay device controls a network interface, a radio equipment interface and a session with the telephone unit, and transmits a signal for prompting a telephone unit to input radio equipment identification information at the incoming call from the telephone unit, to output to the radio equipment interface a voice signal in which the received radio equipment identification information is embedded as destination information. A relay radio equipment radio transmits the voice signal, having the embedded radio equipment identification information, input from the relay device. Among a plurality of sets of radio equipment, only radio equipment identified by the radio equipment identification information embedded in the voice signal reproduces the voice packet concerned. |
