On 2011 November 22, Tuesday 23:20:10 SZOKOVACS Robert wrote:
> On 2011. November 22., Stefan Sayer wrote:

Hi,

> > if the B2BUA is ending the (event notification-) dialog created by the
> > REFER when it receives the 500, it's broken, the 500 reply does not
> > end that dialog.

Sorry, I forgot to mention, B2BUA doesn't end the dialog, only ends the 
subscription, doesn't send any more NOTIFY. (actually, the B2BUA is built upon 
resiprocate, and resiprocate notifies the application that the other side 
(SEMS in our case) has terminated the subscription.) 
What I really want to find out is what should I fix, resiprocate, my 
application or SEMS? :)

> Regarding the original situation: is the retransmission legal? Or sending a
> new NOTIFY without receiving a 200 for the old one illegal to begin with?


TIA

br

Szo
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