Method for ensuring media stream security in IP multimedia sub-system

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United States of America Patent

PATENT NO 9537837
SERIAL NO

14885168

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Abstract

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A method for ensuring media stream security in an IP Multimedia Subsystem network is disclosed. The method includes: assigning an end-to-end media stream security key for a calling User Equipment (UE) or a called UE, by a network device with which the calling UE or the called UE is registered, respectively, and transmitting the media stream security key to a network device with which the opposite end is registered; encrypting the end-to-end media stream security key using a session key shared with the calling UE or the called UE respectively, and transmitting the encrypted end-to-end media stream security key to the calling UE or the called UE, respectively, via a session message; encrypting or decrypting a media stream, by the calling UE or the called UE, respectively, using the end-to-end media stream security key.

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Patent Owner(s)

Patent OwnerAddress
INVT SPE LLCONE MARKET PLAZA SPEAR TOWER 42ND FLOOR SAN FRANCISCO CA 94105

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yan, Jun Guangdong Province, CN 306 2674

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