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Re: [osip-dev] implicit subscription

From: Aymeric Moizard
Subject: Re: [osip-dev] implicit subscription
Date: Fri, 5 May 2017 16:08:23 +0200

Hi Christoph,

Unfortunatly, there is no support for sending a NOTIFY
after a BYE has been received or sent.

I have the feeling that it would require a minor modification
to "_eXosip_release_finished_calls". 

If a REFER transaction exist, we could decide to maintain
the dialog for a period. Even a static period could be useful
and enough simple to make it possible. To be complete,
it would require to analyse NOTIFY, if any....

In pseudo-code, if REFER exists, then returns 0 (and do
not delete the dialog.)


2017-05-03 15:22 GMT+02:00 FEICHTER Christoph <address@hidden>:

hi aymeric,


how is it intended to generate a NOTIFY request of an

implicit subscription, which is sent after the original call is already terminated ?


the scenario which I address is shown here:


the NOTIFY request that I mean is message #15.


such a NOTIFY request after the BYE,

shall it be built as out-of-dialog request ? (using eXosip_message_build_request)

or is there a mechanism in eXosip to keep the call alive,

when there is an implicit subscription active ?





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