Methods, systems, and computer program products for security protocol selection in internet protocol multimedia subsystem networks

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United States of America Patent

PATENT NO 9565216
SERIAL NO

14523397

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Abstract

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A method includes receiving a first secured registration request message from user equipment at a registration server in an Internet Protocol multimedia subsystem network, the first secured registration request message being secured using a first security protocol, determining at the registration server that the first secured registration request message cannot be decoded using the first security protocol, sending a message from the registration server to the user equipment proposing a second security protocol, and receiving a second secured registration request message from the user equipment at the registration server, the second secured registration request message being secured using the second security protocol.

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Patent Owner(s)

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

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aladwin, Mazen Sammamish, US 1 0
Chatterjee, Arun Sammamish, US 4 265
Khalil, Mohamed Murphy, US 74 678
Schlieber, Karl Kirkland, US 4 4

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