Iñaki Baz Castillo wrote:
> 2010/7/6 Jean-Hugues Royer <[email protected]>:
>> If a subscription and invite usage are sharing a dialog, sending a
>> refresh SUBSCRIBE with a different contact will cause reINVITEs from the
>> peer to go to that different contact.
>
> What does it mean "a subscription and invite usage are sharing a
> dialog"? does it mean two dialog, an INVITE dialog and a SUBSCRIBE
> dialog, sharing the same From/to-tags and Call-ID? how could it be
> useful such "experiment"??
It means one dialog (Callid, from-tag, to-tag) and two distinct usages
of that - e.g. INVITE and SUBSCRIBE.
The easiest way to encounter that in the wild is to send a REFER in an
INVITE-dialog-usage, thus getting an (implicit) subscribe-dialog-usage
to the refer event in the same dialog.
Thanks,
Paul
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