| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily identify a telephone number of a call source in telephone communication IP packets flowing in an IP network, and enhance processing efficiency of recording call contents. <P>SOLUTION: Upon generating telephone communication IP packets to be transmitted to an IP network, telephone number data of a call source is embedded in a transmission source address area of an IP header in the IP packets. A telephone call log storage device on the IP network extracts the telephone number data of the call source from the transmission source address in the IP header of the telephone communication IP packets, and stores voice data in the telephone communication IP packets by a telephone number indicated by the extracted telephone number data. <P>COPYRIGHT: (C)2013,JPO&INPIT |
