Method and apparatus for communications between carriers

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10264132
APP PUB NO 20180034971A1
SERIAL NO

15224967

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Aspects of the subject disclosure may include, for example, responsive to determining that a second device is associated with a first carrier network, obtaining a first record associated with a called number of the second device from a first carrier network telephone number mapping equipment server of the first carrier network, and transmitting a first internet protocol address for the second device from the first record to a terminating call session control function server of the first carrier network to initiate the internet protocol call session. Responsive to a second determination that the second device is associated with a second carrier network, obtaining a second record associated with the called number according to a pointer to a second carrier network telephone number mapping equipment server of the second carrier network, and transmitting a second internet protocol address for the second device derived from the second record to a session border controller of the first carrier network to initiate the internet protocol call session. Other embodiments are disclosed.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
AT&T INTELLECTUAL PROPERTY I LP675 W PEACHTREE STREET SUITE 4000 ATLANTA GA 30308

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Forsyth, James W Royal Oak, US 22 47
Ku, Bernard Austin, US 186 2522
Naidu, Lakshminarashimhan Pearland, US 80 250

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