Optical communications – Multiplex – Broadcast and distribution system
Reexamination Certificate
2005-06-29
2009-06-23
Bello, Agustin (Department: 2613)
Optical communications
Multiplex
Broadcast and distribution system
C398S058000, C398S140000
Reexamination Certificate
active
07551854
ABSTRACT:
To inform a location of a caller to the other party in an IP phone system, a wireless IC tag preserving unique ID information is attached to an optical connector of a user connection port. The relations between locations of the optical connectors and ID information of corresponding wireless IC tags are stored in a port control database. An IC tag reader in an optical network unit (ONU) reads the ID information in the wireless IC tag attached to the optical connector to which the ONU is connected. When an emergency call is initialed, the ONU transmits destination information of the emergency call and the ID information of the wireless IC tag to a central station. A control terminal in the central station compares the ID information of the wireless IC tag against the port control database to determine a location of the optical connector. The central station adds the determined location information to the destination information of the emergency call and transmits the information to an IP network.
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Patent Abstract of Japan, Patent No. JP9043432, Published on Feb. 14, 1997, in the name of Satou, et al.
Edagawa Noboru
Horiuchi Yukio
Bello Agustin
Christie Parker & Hale, LLP.
KDDI Corporation
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