| 摘要 |
An IMS multimedia communication method and system, terminal and IMS core network, wherein the IMS multimedia communication method includes signal negotiation performed between the terminal and the IMS core network, and during the process of signal negotiation, an IPSec-ESP security association for media transmission is established between the terminal and the IMS core network; the media content is transmitted between the terminal and the IMS core network via the IPSec-ESP security association for media transmission. The security of media content transmitted between the terminal and the IMS core network is maintained solving the safety problem of multimedia communication under IMS in related technology, and preventing the media content from being maliciously stolen and tampered by others when transmitted between the terminal and the IMS core network.
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