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Info

For detailed DTLS-SRTP configuration as part of Microsoft Direct Routing between the SBC Edge and Microsoft Teams, refer to Best Practice - Configuring SBC Edge for Microsoft Teams Direct Routing - On Premises Deployment.

Description

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Descriptive name of DTLS-SRTP profile. Default entry: Blank.

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Specifies the comma-separated crypto suite IDs (in order of preference) to negotiate the crypto used for encryption and decryption of media.

Available options:

AES_CM_128_HMAC_SHA1_32

AES_CM_128_HMAC_SHA1_80

AES_CM_256_HMAC_SHA1_32

AES_CM_256_HMAC_SHA1_80


How to Use:

Up. Moves the selected entry up in priority.

Down. Moves the selected entry down in priority.

Add/Edit. Adds/edits entries.

Remove. Removes the selected entry from the list.

Tip
titleHelpful Hint

This field presents a multi-select widget when the Add/Edit button is clicked.
Click here for more information about using the Multi-select widget.


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

The Master Key Identifier (MKI) identifies the master primary 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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