Method and apparatus for processing calls

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United States of America Patent

PATENT NO 8693464
SERIAL NO

13234016

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A system that incorporates teachings of the present disclosure may include, for example, receiving a request for a voice call at an interrogating call session control function server of an internet protocol multimedia subsystem where the call is associated with an originating communication device, transmitting a mapping query from the interrogating call session control function server to a database to obtain an internet protocol address for establishing the call with a recipient communication device in response to the request for the call, and routing the request to a server of the internet protocol multimedia subsystem or a second server based on a response to the mapping query provided by the database. Other embodiments are disclosed.

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Patent Owner(s)

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

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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
Yasrebi, Mehrad Austin, US 162 3291

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