| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily relay a call communication of a portable telephone. <P>SOLUTION: A memory device 20 stores telephone book converting data 21, and public telephone number data 22. Transmitting means 11 extracts a telephone number of a first communication terminal 2 included in first transmission data and a telephone number of a second communication terminal 3 corresponded to an identifier of a client, from the telephone book converting data 21, when receiving the first transmission data which is transmitted from the telephone number of the first communication terminal 2 to a telephone number of a relay device 1 to which the identifier of the client is designated as a sub address, extracts a public telephone number corresponded to the telephone number of the first communication terminal 2 included in the first transmission data from the public telephone number data 22, and produces second transmission data of the public telephone number extracted by the transmission source to transmit that to the second communication terminal 3, to the extracted telephone number of the second communication terminal 3. <P>COPYRIGHT: (C)2012,JPO&INPIT |
