Freeswitch does not support SIP over DTLS. Is SIP over TLS is not good enough for your case? /Kaiduan On Wednesday, November 3, 2021, 10:09:47 p.m. EDT, Telium Technical Support <support@telium.io> wrote: <!--#yiv5439227204 _filtered {} _filtered {}#yiv5439227204 #yiv5439227204 p.yiv5439227204MsoNormal, #yiv5439227204 li.yiv5439227204MsoNormal, #yiv5439227204 div.yiv5439227204MsoNormal {margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman", serif;}#yiv5439227204 a:link, #yiv5439227204 span.yiv5439227204MsoHyperlink {color:blue;text-decoration:underline;}#yiv5439227204 a:visited, #yiv5439227204 span.yiv5439227204MsoHyperlinkFollowed {color:purple;text-decoration:underline;}#yiv5439227204 span.yiv5439227204EmailStyle17 {font-family:"Calibri", sans-serif;color:#1F497D;}#yiv5439227204 .yiv5439227204MsoChpDefault {font-size:10.0pt;} _filtered {}#yiv5439227204 div.yiv5439227204WordSection1 {}--> I actually meant SIP over DTLS, here is an overview: https://www.ietf.org/archive/id/draft-jennings-sip-dtls-05.html I have to dig for an IETF number (assuming it was ratified). But I think the answer is still NO…. From: FreeSWITCH-users [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Mike Jerris Sent: Wednesday, November 3, 2021 4:38 PM To: FreeSWITCH Users Help <freeswitch-users@lists.freeswitch.org> Subject: Re: [Freeswitch-users] SIP over DTLS support DTLS is used for media, not for signaling. The question you intended to be asking the answer is likely yes, the question you actually asked the answer is no. On Nov 2, 2021, at 12:41 AM, Sergey Safarov <s.safarov@gmail.com> wrote: WebRTC clients use DTLS encryption. FreeSwitch supports WebRTC. https://nickvsnetworking.com/freeswitch-webrtc-with-sipml5/ On Tue, Nov 2, 2021 at 12:55 AM Telium Technical Support <support@telium.io> wrote: Does FreeSwitch support SIP of DTLS? Not clear from the docs (though mentions of webrtc possibly using this) _ _________________________________________________________________________ The FreeSWITCH project is sponsored by SignalWire https://signalwire.com Enhance your FreeSWITCH install with disruptive priced SMS and PSTN services. Build your next product on our scalable cloud platform. Join our online community to chat in real time https://signalwire.community Professional FreeSWITCH Services sales@freeswitch.com https://freeswitch.com Official FreeSWITCH Sites https://freeswitch.com/oss https://freeswitch.org/confluence https://cluecon.com FreeSWITCH-users mailing list FreeSWITCH-users@lists.freeswitch.org http://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users https://freeswitch.com