| 发明名称 |
ADDRESS TRANSLATION SYSTEM |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To attain SIP communication between terminals belonging to different areas through cooperation of an address translator 1 and an SIP address translator 2. <P>SOLUTION: The address translator 1 is provided with an SIP message detection function. At the detection of an SIP message, the address translator 1 transmits the SIP message to the address translator 2. The SIP address translator 2 extracts a conversion object address and inquires of the address translator 1. The SIP address translator 2 utilizes translation information of the address translator 1 to translate an IP address included in the SIP message. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
| 申请公布号 |
JP2005073301(A) |
申请公布日期 |
2005.03.17 |
| 申请号 |
JP20040343289 |
申请日期 |
2004.11.29 |
| 申请人 |
HITACHI LTD |
发明人 |
TAKEDA SACHIKO;INAI HIDENORI |
| 分类号 |
H04L12/66;H04L12/70;H04M3/00;(IPC1-7):H04L12/66;H04L12/56 |
主分类号 |
H04L12/66 |
| 代理机构 |
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| 主权项 |
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