[OpenSIPS-Users] Issue with BYE packet after user re-register with new socket

[Milan Stanojevic]

Hello Răzvan,


Thanks for your explanation/update.

Would be good if somehow you can keep us updated on this topic , ie if/when
that limitation is solved.


Kind regards,

On Tue, Sep 26, 2017 at 6:24 PM, Răzvan Crainea <razvan at opensips.org> wrote:

> Hi, Milan!
>
> The only SIP method that can refresh a SIP dialog is a re-INIVTE
> (according to RFC 3621 [1]) or an UPDATE (according to RFC 3311 [2]). A
> REGISTER message cannot change the Contact of an ongoing dialog. Therefore,
> your application has to send a re-INVITE after it connects to a new network.
> However, there is a small limitation in the dialog module that doesn't
> allow you to update the remote-address (Contact), not even for re-INVITEs
> or UPDATEs. But there are some guys that are working to fix it, luckily the
> fix will be out soon.
>
> [1] https://tools.ietf.org/html/rfc3621
> [2] https://tools.ietf.org/html/rfc3311
>
> Best regards,
>
> Răzvan Crainea
> OpenSIPS Developerwww.opensips-solutions.com
>
> On 09/26/2017 01:32 PM, Milan Stanojevic wrote:
>
> Hello,
>
>
> I'm running into next issue:
>
> My SIP clients register to Opensips server with Expires interval of 3600
> seconds and calling/initializing call to other SIP client or PSTN network
> works fine but issue comes when my SIP client send re-register during
> active call (it sends re-register 300 seconds after initial REGISTER
> message or in case IP/network on which it is has changed since those are
> mobile SIP clients) . So when calling SIP client re-register Contact field
> for that AOR will be updated to new value ( It will change network socket ,
> IP:Port ) and if/when called party (either PSTN or other SIP client on my
> network) wants to hangup that call BYE that comes from called party is not
> send to new/updated Contact of caller , rather it is trying to send it to
> "old" Contact which does not exist any more.
>
>
> Do you have any idea how I could fix this so that BYE goes to new/update
> Contact value ?
>
>
> Regards,
>
> --
>
> Milan Stanojević
>
> <https://www.facebook.com/LotusFlareGrowth/>
> <https://twitter.com/Lotus_Flare>
> <https://www.linkedin.com/company-beta/5270342/>
> +381 60 70 28 592
> www.lotusflare.com
>
>
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-- 

Milan Stanojević

<https://www.facebook.com/LotusFlareGrowth/>
<https://twitter.com/Lotus_Flare>
<https://www.linkedin.com/company-beta/5270342/>
+381 60 70 28 592
www.lotusflare.com
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