| 摘要 |
PROBLEM TO BE SOLVED: To perform 64 kbps data communication that does not use the same base station but rather uses two communication channels by recognizing that communication is performed through the two communication channels at a first incoming call when receiving the call in the case of performing communication, by using the two communication channels, and subsequently allowing second incoming call. SOLUTION: A mobile machine PS1 on a calling side conducts data communication at 64 kbps to the mobile machine PS2 of a receiving side by using two channels that are PHS radio channels, i.e., the two radio channels from a mobile station PS1 to base stations CS1 and CS2. In such a case, when the mobile station PS1 conducts data communication by using at least two radio communication channels, the station PS1 transmits the telephone number of a receiving side two times when performing transmission, recognizes that communication is performed using two communication channels at the first incoming call when receiving the call in the case communication is performed by using the two communication channels, and subsequently allows the second incoming call. Then, 64 kbps data communication that does not use the same base station but which uses two communication channels can be conducted.
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