发明名称 |
Internet IP telephone switching system, internet-oriented IP telephone apparatus, internet IP telephone connection management method, telephone number automatic receiving/sending method, and computer readable medium on which an internet IP telephone switching program is recorded |
摘要 |
By effectively managing the IP address of a special internet-oriented IP telephone apparatus, the IP telephone apparatus can make a call directly to another IP telephone apparatus. Moreover, by connecting two calls of both a call over the internet and a call on the Public Switched Telephone Network (PSTN), phone call can be performed from the IP telephone apparatus to a PSTN telephone terminal, or from the PSTN telephone terminal to the IP telephone apparatus.
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申请公布号 |
US2002105946(A1) |
申请公布日期 |
2002.08.08 |
申请号 |
US20020067825 |
申请日期 |
2002.02.08 |
申请人 |
TAKEUCHI YOJI |
发明人 |
TAKEUCHI YOJI |
分类号 |
H04L12/56;H04L12/66;H04L29/06;H04L29/12;H04M1/253;H04M7/00;H04M11/00;(IPC1-7):H04L12/66;H04L12/28 |
主分类号 |
H04L12/56 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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