UAC constructs dialog-set when early dialog is created(on first prov rsp)
and this is maintained for rest of dialog .
Which means on getting first prov response ,route-set is filled.And not
updated on getting further prov responses.
Later when 200ok comes,route-set can be updated again in dialog-set.
Can you please explain scenario where provisional responses in same dialog
coming via different route ?
On Wed, Oct 12, 2016 at 1:38 PM, Gagandeep Singh <higagand...@gmail.com>
> Suppose UAC receives multiple provisional responses before confirmation of
> the dialog (2xx), and each provisional response has a different set of
> Record-Route headers.
> (Each provisional response is within the same early dialog. i.e. same
> From-tag and To-tag.)
> In this scenario:
> 1. Should UAC update its route set according to latest Record-Route headers
> 2. Or should UAC retain the route set formed from first provisional
> It is noted that "final" route set will be built from Record-Routes in 2xx
> Warm Regards
> Gagandeep Singh
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