[asterisk-dev] WebRTC over SRTP-DTLS

[Lorenzo Miniero]

2013/12/2 Mark Michelson <mmichelson at digium.com>

> On 12/02/2013 05:29 AM, nitesh bansal wrote:
>
>> Hello everybody,
>>
>> I want to setup a basic Demo of WebRTC using Asterisk as WebServer and
>> SRTP-DTLS.
>> I got the demo setup using SRTP-DES with chrome, chrome is porpoising
>> both DTLS and DES,
>> Asterisk responds with DES abd call is connected.
>> But i want asterisk to propose DTLS also in its response, can you please
>> tell me if asterisk supports DTLS and if yes, is there a wiki page with the
>> documentation?
>> I could not find any relevant wikipage.
>>
>> Regards,
>> Nitesh
>>
>>
> Asterisk supports DTLS. Your best bet for documentation at the moment is
> to look at configs/sip.conf.sample in Asterisk 11 and grep for "DTLS-SRTP
> CONFIGURATION". That will direct you to a section that explains the various
> DTLS-related configuration options for chan_sip.
>
> Mark Michelson
>
>

Just as an additional cue point, you may also refer to the report I wrote a
few months ago on making DTLS work in my case. I don't know whether or not
some of those points eventually made it to the documentation, and some of
them may be obsolete (e.g., you definitely don't need the fake crypto
anymore), but they may be oh help nonetheless:

http://lists.digium.com/pipermail/asterisk-dev/2013-May/060435.html

Lorenzo



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