Re: [Sipping] draft-ietf-sipping-service-examples-15.txt: clarification

[Alan Johnston <[e-mail]>]

Franz,

The text in RFC 4235 relating to specific dialogs applies when a filter 
or event package parameters are used to specify a particular dialog in 
the SUBSCRIBE.  In this case, that is not true - Alice has no 
information about the dialog that Bob is currently in and hence could 
not specify it in F4.

As a result the explicit termination is needed.

Thanks,
Alan


Franz Edler wrote:
> Hi all,
>
> when looking at the flows in draft-ietf-sipping-service-examples-15.txt I
> found an inconstancy in "2.17 Automatic Redial" - at least from my view.
>
> My finding:
> The explicit termination of the subscription by Alice in the end is
> unnecessary because RFC 4235 states in 3.4:
> ... when a subscriber is interested in the state of a specific dialog or
> dialogs (...). In that case, when the dialogs terminate, so too does the
> subscription.
>
> Therefore the explicit termination of the subscription is superfluous.
> What do you think?
>
> Regards
> Franz 
>
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