2.9.1.6 Secure Real-time Transport Protocol (SRTP) Extensions

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The Secure Real-time Transport Protocol (SRTP) Extensions, as described in [MS-SRTP], describe the generation and exchange of random master keys between SIP entities that send/receive the RTP. All necessary aspects of the exchanged master key are described within the Secure Real-time Transport Protocol (SRTP) Extensions and the Scale Secure Real-time Transport Protocol (SSRTP) Extensions, as described in [MS-SSRTP].