<br><br>On Thursday, August 4, 2016, Colin Morelli <<a href="mailto:colin.morelli@gmail.com">colin.morelli@gmail.com</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="white-space:pre-wrap">Hey Steven,<br><br>I did check that as well. So far as I can tell, most of the shared portions of the SDP come from RFC 4566. The ICE additions in RFC 5245 also claim to allow FQDNs for candidate addresses.<br><br>My assumption is that it's just not commonly used. But it seems much easier to support hostnames everywhere as more and more dual stack endpoints.<br><br>Any thoughts on a per-channel advertised address?<br><br><br>Best,<br>Colin</div></blockquote><div><br></div><div>Not currently possible, a feature request would be necessary.<span></span></div><div><br></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br><div class="gmail_quote"><div dir="ltr">On Thu, Aug 4, 2016 at 8:14 AM Steven Ayre <<a href="javascript:_e(%7B%7D,'cvml','steveayre@gmail.com');" target="_blank">steveayre@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Should point out that although it might be allowed in SDP's RFC that doesn't necessarily mean it isn't restricted by other WebRTC specifications. You'll probably want to look into those as well.</div><div class="gmail_extra"><br><div class="gmail_quote">On 4 August 2016 at 12:17, Colin Morelli <span dir="ltr"><<a href="javascript:_e(%7B%7D,'cvml','colin.morelli@gmail.com');" target="_blank">colin.morelli@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Steven,<div><br></div><div>Thanks for the clarification - that's really helpful (it also means I can go file browser bugs which I'll do)</div><div><br></div><div>Agreed it'll cause interop issues (for example the ones seen in WebRTC). It's too bad, because it could be helpful in a few different scenarios.</div><div><br></div><div>That said, for now I'm just looking to slowly start using it on devices that will have problems with IP addresses. Does anyone know if there's a way, via a channel var, to set the advertised address in the SDP?</div><div><br></div><div>Best,</div><div>Colin</div><div><div><br><div class="gmail_quote"><div dir="ltr">On Thu, Aug 4, 2016 at 7:03 AM Steven Ayre <<a href="javascript:_e(%7B%7D,'cvml','steveayre@gmail.com');" target="_blank">steveayre@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">RFC4566 5. SDP Specification<div><span style="color:rgb(0,0,0);font-size:13.3333px">"A session description can contain domain names in the "o=", "u=",</span><span style="color:rgb(0,0,0);font-size:13.3333px"> "e=", "c=", and "a=" lines."</span></div><div><br></div><div>It's a detail I'd expect some implementations may have skipped over though so I'd expect it could lead to interop issues. Also you need to assume it will resolve to the IP you expect, not necessarily the case if it resolves to multiple IPs for example or it has changed and the TTL has not expired yet. And it might not play well with SIP ALGs. I'd avoid it. That's not evidence based, purely gut instinct.</div></div><div dir="ltr"><div><br></div><div><br></div><div><br></div><div><br></div><div class="gmail_extra"><br><div class="gmail_quote">On 3 August 2016 at 06:10, Michael Jerris <span dir="ltr"><<a href="javascript:_e(%7B%7D,'cvml','mike@jerris.com');" target="_blank">mike@jerris.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I have not once in my life seen someone use a hostname instead of an ip in an sdp, and I do not believe it is legal.<br>
<span><br>
> On Aug 2, 2016, at 1:00 PM, Colin Morelli <<a href="javascript:_e(%7B%7D,'cvml','colin.morelli@gmail.com');" target="_blank">colin.morelli@gmail.com</a>> wrote:<br>
><br>
> Hey all,<br>
><br>
> So it looks like WebRTC has issues dealing with hostnames in the SDP instead of IP addresses. Particularly, when including a hostname in the SDP there's no audio in either direction. This is the case in both the latest Firefox + Chrome browsers.<br>
><br>
> This is particularly problematic for applications that are WebRTC + mobile, now that Apple is enforcing applications to support IPv6-only networks. Using hostnames in the record-route and SDP addresses meets the requirement since the OS will synthesize an IPv6 address when a DNS query is performed, but according to the documentation they strongly urge applications to avoid using address literals in their applications.<br>
><br>
> Has anyone had success with methods to switch between advertising a hostname vs IP address in the SDP? Or other methods for solving this problem?<br>
<br>
<br>
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</blockquote><br><br>-- <br><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">Anthony Minessale II ♬ @anthmfs ♬ @FreeSWITCH ♬<div><br><div>☞ <a href="http://freeswitch.org/" target="_blank">http://freeswitch.org/</a> ☞ <a href="http://cluecon.com/" target="_blank">http://cluecon.com/</a> ☞ <a href="http://twitter.com/FreeSWITCH" target="_blank">http://twitter.com/FreeSWITCH</a></div><div><div>☞ <a href="http://irc.freenode.net" target="_blank">irc.freenode.net</a> #freeswitch ☞ <u><a href="http://freeswitch.org/g+" target="_blank">http://freeswitch.org/g+</a></u><br><br></div><div>ClueCon Weekly Development Call <br></div><div>☎ <a href="mailto:sip%3A888@conference.freeswitch.org" target="_blank">sip:888@conference.freeswitch.org</a> ☎ +19193869900 </div><div><br></div></div></div><div><a href="https://www.youtube.com/watch?v=9XXgW34t40s" style="color:rgb(17,85,204);font-size:12.8000001907349px" target="_blank">https://www.youtube.com/watch?v=9XXgW34t40s</a></div><div><a href="https://www.youtube.com/watch?v=NLaDpGQuZDA" target="_blank">https://www.youtube.com/watch?v=NLaDpGQuZDA</a><br></div></div></div></div></div></div><br>