| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a technology of reducing the cost of an IPPBX for simultaneously broadcasting RTP packets. <P>SOLUTION: In an IPPBX system disclosed herein including first and second IP phones 9 to 13 to be paged, a paging IP phone 8, and the IPPBX 1, the IPPBX 1 receiving an instruction from the paging IP phone transmits RTP voice data received from the paging IP phone to the first IP phone to be paged, and the cost of the IPPBX 1 can be reduced through the decrease in the number of transmission VoIP gateways at the IPPBX side by allowing the first IP phone to be paged to transmit its received RTP voice data to the second IP phone to be paged. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
