On Mon, Jul 16, 2018 at 11:01:30PM -0400, Dale R. Worley wrote: > > Well, the first branch is disposed of with a 5xx reply. But the UAC > > cancels nothing, in spite of getting two different early responses > > from two different dialogs. > > You should have mentioned the 5xx reply in your original message, as > that's how the first dialog ends.
But the 5xx reply is caught by the proxy, and never propagated to the caller. The caller just sees a 183 with one To-tag, then a 183 and a 200 OK with a different To-tag. > A lot of low-budget UAs handle many situations incorrectly. Ultimately, > the answer is to avoid using them, because otherwise you're spending all > your time adjusting your software to try to figure out what the UA is > and avoiding its flaws. That's certainly true enough! :) -- Alex -- Alex Balashov | Principal | Evariste Systems LLC Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
