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.

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
  https://www.opensips-solutions.com
OpenSIPS eBootcamp 23rd May - 3rd June 2022
  https://opensips.org/training/OpenSIPS_eBootcamp_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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