[Spce-user] Upstream sends Bye instead of cancel

[qabane me]

Thanks Daniel!

On Fri, May 10, 2019 at 4:16 PM Daniel Grotti <dgrotti at sipwise.com> wrote:

> Hi,
> in general chapter 15 of RF3261, here an extract:
>
>
> "The notion of "hanging up" is not well defined within SIP.  It is
>        specific to a particular, albeit common, user interface.
>        Typically, when the user hangs up, it indicates a desire to
>        terminate the attempt to establish a session, and to terminate any
>        sessions already created.  For the caller's UA, this would imply a
>        CANCEL request if the initial INVITE has not generated a final
>        response, and a BYE to all confirmed dialogs after a final
>        response.  For the callee's UA, it would typically imply a BYE;
>        presumably, when the user picked up the phone, a 2xx was
>        generated, and so hanging up would result in a BYE after the ACK
>        is received."
>
>
>
>
>
>
>
> Daniel Grotti
>
> Head of Customer Support                     Sipwise GmbH
> e: dgrotti at sipwise.com                     Europaring F15
> t: +43(0)130120332                A-2345 Brunn Am Gebirge
> w: www.sipwise.com   FN: 305595f   FG: LG Wiener Neustadt
>
> On 5/10/19 3:34 PM, qabane me wrote:
> > Hi
> >
> > On of our interconnects sends calls to us. When the caller cancels the
> > call before a session is established, they send us a BYE. That should be
> > a CANCEL as far as I know. This is causing issues with the callee's
> > phone continuing to ring. I am trying to argue with them but they are
> > saying it's allowed. I am trying to check the RFCs but am not finding
> > ammunition. Does any one have a link to show that indeed I am right and
> > they are wrong? (assuming that I am)
> >
> > So the scenario is:
> > image.png
> >
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