Communication system and communication control equipment

Details Communication system and communication control equipment Communication system and communication control equipment

2005-02-08

2011-10-11

Le, Nhan (Department: 2618)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S349000, C455S433000

Reexamination Certificate

active

08036182

ABSTRACT:
Mobile IPv6 assigns MN (Mobile Node) with a fixed home address in order to guarantee an arrival to MN7. A SIP process of HA (Home Agent)2is provided with a unit for notifying Binding information of MN to a presence server1. Alternatively, the presence server1is provided with a unit for requesting HA2for the Binding information of MN. An information delivery server3is provided with a unit for acquiring a Care of Address of MN from the presence server1and 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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