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Not supported by SBC SWe Lite in this release.

What is DTLS-SRTP?

DTLS-SRTP is an extension of the Datagram Transport Layer Security (DTLS) protocol, used to negotiate SRTP keying between the 

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and Microsoft Teams over the UDP media port. The negotiated keys are used for encryption and decryption of all media (RTP) packets being sent/received through the port used for DTLS-SRTP.

DTLS-SRTP enables the SBC to interconnect with the Microsoft Teams cloud service via Direct Routing Interface, and provides Teams users with the following:

  • Access to legacy PBX/PSTN services using the
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    .
  • Access to SIP trunk providers who cannot directly connect to Microsoft cloud service using
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    .

DTLS-SRTP is not supported for the following:

  • Passthrough calls
  • Direct calls
  • Fax calls
  • Validation of signing authority of received certificates

Working with DTLS-SRTP Profiles

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

    DTLS-SRTP Profile

To view a DTLS-SRTP Profile Table's properties:

  1. Click the pop-up icon () next to the entry you want to view.
  2. When you are finished, close the window.

To modify a DTLS-SRTP Profile Table's properties:

  1. Click the expand () Icon next to the entry you wish to modify.
  2. Modify the table's Description as desired
  3. Click OK.

To delete an Entry in a DTLS-SRTP Profile:

  1. Select the check box next to the entry you wish to disable.
  2. Click the Delete icon () at the top of the table.

To create or modify a DTLS-SRTP Profile: Refer to Creating and Modifying DTLS-SRTP Profiles.

To delete an entry, select the checkbox next to the entry and then click the Delete () icon.


 

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