On Thu, 2010-02-18 at 13:02 -0500, Joly, Robert AVAYA (CAR:9D30) wrote: > > No make matters worse, even if we decided that preemptively challenge > SUBSCRIBE, that would not get us out of the woods, the reason being that > SUBSCRIBES to RLS would get double-challenged: once preemptively by > proxy (407) and a second time by the RLS (401). It has been observed in > the past that phones such as Polycom cannot cope with the > double-challenges. Although this may be fixed by now, still the > double-challenge pushes the envelope and exposes us to more potential > interop issues.
That problem could be avoided by having the RLS use the PAI header that the proxy adds after it has established an identity, but that's not the core question. _______________________________________________ sipx-dev mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-dev Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-dev sipXecs IP PBX -- http://www.sipfoundry.org/
