Apparatus and methods for origination of voice and messaging communication in a network

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United States of America Patent

PATENT NO 9509729
APP PUB NO 20160080435A1
SERIAL NO

14953054

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method that incorporates teachings of the subject disclosure may include, for example, receiving a query from a call session server for a first pointer associated with a telephone number of a terminating device of a requested communication session, transmitting to the call session server the first pointer including a session initiation protocol uniform resource identifier associated with the terminating device to initiate an internet protocol communication session, receiving a notification from the call session server responsive to the call session server failing to initiate the internet protocol communication session, and transmitting to the call session server a second pointer including a telephone protocol uniform resource identifier for originating a circuit-switched communication session responsive to receiving the notification. Other embodiments are disclosed.

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First Claim

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Patent Owner(s)

  • AT&T INTELLECTUAL PROPERTY I, L.P.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ku, Bernard Austin, US 185 2414
Naidu, Lakshminarashimhan Pearland, US 76 232
Soo, Armstrong San Ramon, US 60 677

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