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 Developer
www.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 <http://www.lotusflare.com/>
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