I don't think DNS SRV records support CNAME. Even then, it would only change where it was sent to and not the SIP headers.
On Fri, Oct 4, 2019 at 12:26 PM Lelio Fulgenzi <[email protected]> wrote: > Yeah – I’d want this to happen all within DNS. But of course, in a > supported fashion. I’m not interested in spending time modifying > infrastructure at this time. > > > > I’ve done some searching, and there’s talk of RR records, but we haven’t > found much documentation. > > > > > > --- > > *Lelio Fulgenzi, B.A.* | Senior Analyst > > Computing and Communications Services | University of Guelph > > Room 037 Animal Science & Nutrition Bldg | 50 Stone Rd E | Guelph, ON | > N1G 2W1 > > 519-824-4120 Ext. 56354 | [email protected] > > > > www.uoguelph.ca/ccs | @UofGCCS on Instagram, Twitter and Facebook > > > > [image: University of Guelph Cornerstone with Improve Life tagline] > > > > *From:* Dave Goodwin <[email protected]> > *Sent:* Friday, October 4, 2019 12:09 PM > *To:* Lelio Fulgenzi <[email protected]> > *Cc:* cisco-voip voyp list <[email protected]> > *Subject:* Re: [cisco-voip] SIP Domain substitution > > > > Are you wanting this to all happen within DNS instead of happening within > a SIP UA? As far as I understand, if DNS redirected somewhere (SRV or CNAME > record for example) it would not change the destination URI the originator > is trying to reach. The SIP protocol has redirection codes (such as 301 or > 302) but whether or how you might be able to use them depends on the SIP > UAs being used. > > > > You might also be able to use something like a SIP normalization script > (CUCM), SIP profiles (CUBE), or maybe search pattern replacements > (Expressway) to just translate the domain as calls flow in/out. I'm > guessing what might be feasible without knowing more of the picture. > > > > On Fri, Oct 4, 2019 at 11:10 AM Lelio Fulgenzi <[email protected]> wrote: > > > > Does SIP allow for domain name substitution? > > > > By this I mean, instead of advertising or dialing > [email protected] I want to use [email protected] > > > > But I don’t want to have to reorganize and reprogram anything. > > > > I just want the DNS to say, “hey, use this domain instead and try again.” > > *-sent from mobile device-* > > > > *Lelio Fulgenzi, B.A.* | Senior Analyst > > Computing and Communications Services | University of Guelph > > Room 037 Animal Science & Nutrition Bldg | 50 Stone Rd E | Guelph, ON | > N1G 2W1 > > 519-824-4120 Ext. 56354 <519-824-4120;56354> | [email protected] > > > > www.uoguelph.ca/ccs | @UofGCCS on Instagram, Twitter and Facebook > > > > _______________________________________________ > cisco-voip mailing list > [email protected] > https://puck.nether.net/mailman/listinfo/cisco-voip > > _______________________________________________ > cisco-voip mailing list > [email protected] > https://puck.nether.net/mailman/listinfo/cisco-voip >
_______________________________________________ cisco-voip mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-voip
