| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a radio terminal unit available for realizing a voice conference, without passing through a voice conference service center owned by an infra-structure side. <P>SOLUTION: The radio terminal unit using one of two lines for communication with a first radio terminal unit and the other for communication with a second radio terminal unit comprises: a memory 2063 for storing first and second received voice signals from the first and the second radio terminal units, respectively; a voice synthesizer 20611 for synthesizing the stored first and the second received signals to output the result as received voice signals; a voice synthesizer 20612 for synthesizing the sending voice signals with the first received signals stored in the memory 2063 to send the result as sending the voice signals to the second radio terminal unit; and a voice synthesizer 20613 for synthesizing the sending voice signals with the second received signals stored in the memory 2063 to send the result to the first radio terminal unit. <P>COPYRIGHT: (C)2003,JPO |
