Hi Martin,

if there is an updated standard for SIP-DTLS (which I was also not able to find) this could be of course added to Kamailio. Somebody just needs to implement it, we are happy to review and contributions.

Cheers,

Henning

--

Henning Westerholt - https://skalatan.de/blog/

Kamailio services - https://skalatan.de/services

From: sr-users <sr-users-bounces@lists.kamailio.org> On Behalf Of Aymeric Moizard
Sent: Monday, July 8, 2019 12:52 PM
To: Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org>
Subject: Re: [SR-Users] SIP-DTLS support

Hi Martin,

I have implemented DTLS inside my open source -and closed source- code years ago.

Obviously, not being used by anyone, this code is almost never tested. I can tell that

it worked in labs years ago and I don't think it was ever used in production by any one

that I know.

To test on a linux:

git clone https://git.savannah.gnu.org/git/osip.git

cd osip

./autogen.sh

./configure

make

sudo make install

cd ..

THEN:

git clone https://git.savannah.nongnu.org/git/exosip.git

cd exosip

./autogen.sh

./configure

make

sudo make install

./tools/sip_reg -d -p 3456 -r sip:sip.antisip.com -u sip:xxxx@sip.antisip.com -U xxxxx -P yyyyy -t DTLS

I just fixed a crash upon failure... and pushed the change in git.

Anyway, feel free to test! I have only started the above "sip_reg" test without any proxy listening behind.

Use your own kamailio and credentials!

And let me know the results ;)

Aymeric

Le lun. 8 juil. 2019 à 12:23, Martin Meadows <martin@netconfigs.com> a écrit :

Hi, (repost in plaintext)

I haven't found anything that follows up on that expired draft, except in
the sips: rfc5630 section 3.1.4 that appears to explicitly preclude UDP.

My issue is that a draft of BS8521part2 mandates TLS over UDP, and the
closest I can see is sip-dtls over UDP but I'm struggling to find a clear
declaration from within the sip community.

If I encounter an phone/app supporting it, I shall post it here.

Regards - Martin (phone)



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Antisip - http://www.antisip.com