Brett Tate wrote:
> If OPTIONS 481 really MUST be sent and SHOULD trigger subsequent
> requests/responses to terminate the dialog, I'm sure some would like to
> use it within early dialogs, subscriptions, and elsewhere.
Whether 481 SHOULD/MUST be returned to the OPTIONS is one question.
Whether that triggers subsequent requests/responses to terminate within
the dialog is an entirely different question.
Taking OPTIONS in the context of the subsequent elaboration of dialog
usages, I think that it is definitely not part of any dialog usage. So a
481 received for it should not imply the ending of any particular dialog
usage.
The only relation to other dialog usages I see is via the following logic:
- if I receive a 481 to OPTIONS then there must not be a dialog
- if there is no dialog, there must not be *any* dialog usages
- if I think there are dialog usages, then I must be mistaken
The first step is the fuzzy one, since 481 can mean multiple things. I
think it must mean that because OPTIONS isn't part of a usage, so it
can't mean that the usage is gone.
Paul
_______________________________________________
Sip-implementors mailing list
[email protected]
https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
