[SIP Beyond VoIP] DTLS WebRTC error

Rik Broers RBroers at motto.nl
Wed Nov 9 08:36:07 CET 2016


Hi
I've managed to do  WSS(encrypted Audio) <-> SIP (unencrpted audio) with Rtpengine and Opensips 2.2. You could look into that.
No clue how the xmpp part would fit into that, but this could solve your issues with call setup.
https://www.opensips.org/Documentation/Tutorials-WebSocket-2-2

regards,
Met vriendelijke groet,

Rik Broers
Voice Engineer

[https://www.motto.nl/sig_images/logo.png]<https://www.motto.nl/>

rbroers at motto.nl<mailto:rbroers at motto.nl>


Van: sipbeyondvoip-bounces at lists.ag-projects.com [mailto:sipbeyondvoip-bounces at lists.ag-projects.com] Namens Adrian Georgescu
Verzonden: 08 November 2016 22:39
Aan: SIP Beyond VoIP <sipbeyondvoip at lists.ag-projects.com>
Onderwerp: Re: [SIP Beyond VoIP] DTLS WebRTC error

This is not a specific question.

If you had spent the time for learning about all the items involved in your question, you would not ask such a question.

Adrian

On 08 Nov 2016, at 18:22, Patricia Kennedy <pjjjkennedy at gmail.com<mailto:pjjjkennedy at gmail.com>> wrote:

To be specific: are there plans to implement DTLS-SRTP, as an option for srtp_encryption?

Thanks, in advance for your reply.

On Wed, Nov 9, 2016 at 10:09 AM, Adrian Georgescu <ag at ag-projects.com<mailto:ag at ag-projects.com>> wrote:
DTLS, Chrome, WebRTC, Openfire, XMPP, SDES, SylkServer, Strophe.

Your problem is complex, and as such there is no easy answer.

We are just SIP experts ;-)

Adrian


> On 07 Nov 2016, at 19:18, Patricia Kennedy <pjjjkennedy at gmail.com<mailto:pjjjkennedy at gmail.com>> wrote:
>
> We are using an XMPP gateway (Openfire) with the intention to conference WebRTC on Chromium with SIP clients using Strophe JS.
>
> We've run into a DTLS error that we don't seem to get past:
>
> "Failed to set remote answer SDP. Called with SDP without DTLS fingerprints"
>
> We can't use SDES as Chrome is phasing this out. In the Sylkserver config, we don't see DTLS  as an option for "srtp_encryption" and wonder if this is the root cause?
>
> We can post more details if this helps, we're eager to find a solution so we can move forward.
>
> Thanks, Patricia
>
>
>
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