Communication device, router, communication system, and controlling methods for communication device and router

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United States of America Patent

PATENT NO 9407667
APP PUB NO 20140126579A1
SERIAL NO

14130981

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Importance

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Abstract

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In order to facilitate connecting to a SIP network, a router (20) forming a communication system (1) acquires information from a carrier network (30) by using DHCP. The information is necessary for connecting to a server (SIP server) placed on the carrier network. Moreover, a communication device (10) acquires the information from the router (20) by using local protocol that differs from the SIP and the DHCP. For example, UPnP protocol is adopted as the local protocol.

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Patent Owner(s)

Patent OwnerAddress
NEC PLATFORMS LTDKANAGAWA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Watanabe, Makoto Kanagawa, JP 376 3278

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