| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a network apparatus capable of providing an analog telephone terminal which is connected to a VoIP gateway device but does not have SIP functionality with a number display service function equivalent to that which is provided for an IP telephone terminal. <P>SOLUTION: A network apparatus 1 includes a PBX which relays signals between an IP telephone terminal to which extension number information is allocated and an analog telephone terminal to which extension number information is allocated and which manages the terminals. The network apparatus includes: a VoIP conversion section 7 for converting an analog voice signal into an IP signal; an IP connection section 4 for connecting the IP telephone terminal; and an analog connection section 3 for connecting the analog telephone terminal. The network apparatus outputs caller's extension number information to the analog telephone terminal when it connects to the analog telephone terminal through relaying signals from the IP telephone terminal and the analog telephone terminal. <P>COPYRIGHT: (C)2012,JPO&INPIT |
