Re: [Srtp-users] Difference between DTLS-SRTP and SRTP packet send over DTLS connections

[Justin U. <ju...@go...>]

DTLS-SRTP uses normal SRTP packets on the wire, with keys extracted from
DTLS. There is no additional overhead.
SRTP packets sent over DTLS have DTLS framing, which adds somewhat
significant overhead.

On Wed, Jul 15, 2015 at 9:14 AM, John Foley <fo...@ci...> wrote:

>  My knowledge of DTLS-SRTP is fairly limited.  But my understanding is the
> signaling protocol (e.g. SIP) would use DTLS as the transport.  The SRTP
> session parameters are setup via the signaling protocol.  Once those are
> established, SRTP packets are sent directly over UDP (not using DTLS).  But
> you'll probably want to read RFC 5763 to understand the details.
>
>
>
>
> On 07/15/2015 01:14 AM, Priyaranjan Nayak wrote:
>
> I have two SIP endpoint and wanted to send the media over dtls-srtp. I am
> little bit confuse in below points
>
> 1. Is DTLS-SRTP and SRTP packet send over DTLS connections are same or
> different ?
>
> 2. If different, Could you please explain me how are they different ?
>
> Thanks
> Priyaranjan
>
>
>
>
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