[OpenSIPS-Users] TLS issue

Bogdan-Andrei Iancu bogdan at opensips.org
Tue Apr 12 16:58:11 UTC 2022

Hi MAtt,

HAve you tried to see if the TLS devices (1) are able to reconnect to 
OpenSIPS and (2) send SIP traffic to OpenSIPS after such no-Internet 
event ? Maybe you can use the siptrace module to try to capture the SIP 
traffic sent to OpenSIPS via TLS.


Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
OpenSIPS eBootcamp 23rd May - 3rd June 2022

On 4/12/22 7:50 PM, L S wrote:
> We have been using Opensips 1.11 tls successfully for a while. In our 
> setup, Opensips is used as a dispatcher to a couple of Asterisk servers.
> Some of the sip clients (mostly Cisco SPA phones) communicate with 
> Opensips server over TLS, some don't.
> Once in a while internet goes down and the sip clients go offline as a 
> result. When the connection is restored, the phones that are not on 
> TLS recover whereas the ones on TLS stay offline (not registering). We 
> see the traffic between the those phones with the Opensips server, but 
> that traffic doesnt look ok (encrypted so hard to tell).
> In order to get those phones online again, we need to reboot them.
> Same issue happens when the sip clients move from one internet circuit 
> to the other (from primary connection to secondary). Phones on TLS go 
> offline and do not recover unless rebooted.
> I know our version is older, but I think the issue is with our setup 
> and not related to a bug on Opensips.
> I appreciate some direction to resolve this issue.
> Thanks,
> Matt
> _______________________________________________
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> Users at lists.opensips.org
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