Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2011-01-04
2011-01-04
Pham, Brenda (Department: 2464)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S349000
Reexamination Certificate
active
07864734
ABSTRACT:
The invention relates to a communication method and system wherein a network element of a roaming user is attachable to a visited first network and may still be served by a serving means of the home network. The network element of the roaming user is able to indicate a preference, e.g. home or local control, when registering or initiating a connection. A network element of the visited network such as proxy means adds information on the indicated preference when sending a message to the home network. The message is preferably sent as a protocol message, in particular a message of the Session Initiation Protocol (SIP).
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3G TS 23.228 V2.0.0, (Mar. 2001), “3rdGeneration Partnership Project; Technical Specification Group Services and System Aspects; IP Multimedia (IM) Subsystem—Stage 2”.
3GPP TS 23.228 V5.7.0, (Dec. 2002), “3rdGeneration Partnership Project; Technical Specification Group Services and System Aspects; IP Multimedia (IM) Subsystem—Stage 2”.
Bertenyi Balazs
Isomäki Markus
Koskinen Harri O.
Leppänen Eva-Maria
Tekbulut Haluk
Mintz Levin Cohn Ferris Glovsky and Popeo P.C.
Nokia Corporation
Pham Brenda
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