Ad-hoc IP closed user group networks

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United States of America Patent

PATENT NO 8432904
SERIAL NO

12381185

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An arrangement for providing, on an ad hoc basis, a closed user group (CUG) among a collection of pre-defined IP network users. A set of intelligent access devices, dispersed through the IP network, constantly transmit a set of pings associated with the defines CUGs to discover those devices within its communication range. The discovered IP addresses for each device is thus constantly updated, allowing group members to remain in constant contact (emulating an “always on” connection). The users feels they are always connected with group members and thus have instant access to voice/data/video sessions—much like hot lines or “always on” connections.

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Patent Owner(s)

Patent OwnerAddress
AT&T CORP32 AVENUE OFTHE AMERICAS NEW YORK NY 10013-2412

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eslambolchi, Hossein Los Altos Hills, US 473 5698
Tofighbakhsh, Mostafa Cupertino, US 140 2126

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