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Part II: Core Protocols > Securing Multimedia Communications - Pg. 313

CHAPTER Securing Multimedia Communications 14 Information transfers over the open Internet are subject to all kinds of security threats; multimedia communications are no exception. Securing multimedia com- munications includes two aspects: securing the signaling plane (i.e., SIP), and securing the media plane (e.g., RTP, MSRP, TCP, and so on). Security in SIP signal- ing is decoupled from security in the media plane; for example, any media associ- ated to a session can be encrypted end to end independently of any SIP signaling.