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  1. In the WebUI, click the Settings tab.
  2. In the left navigation pane, go to Media > DTLS-SRTP Profiles.

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    1DTLS-SRTP Table
     

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  3. Click the Create DTLS -SRTP Profile () icon.

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    1Create DTLS-SRTP Profile

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  4. Enter the field configurations. See DTLS-SRTP Profile Table Entry - Field Definitions.
  5. Click OK.

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Specifies the length of the Master Key Identifier, in bytes, sent in the SRTP packet.

The Master Key Identifier (MKI) identifies the master key from which the session key(s) were derived that authenticate and/or encrypt the particular packet.

If the MKI indicator is set to one (key identifier length > 0), the length (in octets) of the MKI field and (for the sender) the actual value of the currently active MKI (the value of the MKI indicator and length) MUST be kept fixed for the lifetime of the context.

Info

To disable the MKI in the SDP, configure this value to 0.

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