发明名称 |
Communication system and communication control equipment |
摘要 |
Mobile IPv6 assigns MN (Mobile Node) with a fixed home address in order to guarantee an arrival to MN 7. A SIP process of HA (Home Agent) 2 is provided with a unit for notifying Binding information of MN to a presence server 1. Alternatively, the presence server 1 is provided with a unit for requesting HA 2 for the Binding information of MN. An information delivery server 3 is provided with a unit for acquiring a Care of Address of MN from the presence server 1 and selecting information corresponding to the Care of Address. Presence service can be provided to MN existing in a network other than a home network.
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申请公布号 |
US8036182(B2) |
申请公布日期 |
2011.10.11 |
申请号 |
US20050052247 |
申请日期 |
2005.02.08 |
申请人 |
HITACHI, LTD. |
发明人 |
TAKEDA YUKIKO;INOUCHI HIDENORI |
分类号 |
H04L12/56;H04L29/06;H04L29/08;H04L29/12;H04W8/04;H04W8/10;H04W80/04;H04W80/10 |
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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