The right behavior is actually to respond to the checks. It's a known bug that Firefox does not. I didn't realize it was inconveniencing anyone so I didn't prioritize a fix. I will see if we can do so.That said, it's also not great to give up when you receive the 401....
-Ekr On Fri, May 24, 2013 at 1:55 AM, Lorenzo Miniero <[email protected]> wrote: > Hi, > > experimenting with the Firefox<-->Asterisk interoperability, I noticed > that Firefox replies with 401 error messages to connectivity checks > generated by Asterisk when a call has been negotiated. Apparently this is > caused by the fact that, when this happens (Asterisk has already accepted > the call and so everything is fine on its side), Firefox is still only > aware of his own ICE credentials and, until it gets the peer ones from the > negotiation and handles them in the code, it obviously fails to verify the > checks and refuses them. > > Anyhow, this is causing a problem in Asterisk, which makes use of PJNATH > to implement ICE. The problem basically is that, as soon as PJNATH gets a > 401 error back, it gives up on that candidate pair, which eventually leads > to a failure in the call. I guess this also applies to other "legacy" > applications as well, basing on that or other available ICE libraries. This > doesn't happen in Chrome, which simply ignores connectivity checks until it > has all the picture, and only then starts responding. > > I managed to get this to work by "hacking" PJNATH in order to have it be > more tolerant, and basically retry until it eventually gets a successful > response back. Anyway, I'm not sure who's at fault here. What is the right > behaviour with connectivity checks? Could you consider a similar behaviour > as the one Chrome follows, or is the current behaviour there for a reason? > > Thanks, > Lorenzo > _______________________________________________ > dev-media mailing list > [email protected] > https://lists.mozilla.org/listinfo/dev-media > _______________________________________________ dev-media mailing list [email protected] https://lists.mozilla.org/listinfo/dev-media
