[OpenSIPS-Users] Question about error 500 only via WIFI

Daniel Zanutti daniel.zanutti at gmail.com
Thu May 12 14:57:23 UTC 2022

Olá Rodrigo, tudo bem? Saudações de São Paulo!

Opensips doesn't differentiate the network, it will look just to the sip
packet. I recommend you sniff through your packets and check what's
different. Probably there's somenthing on opensips log you didn't get yet,
recommend you take a look there first btw.

About push, I think you're enable push notifications on your device, take a


On Wed, May 11, 2022 at 4:13 PM Rodrigo Pimenta Carvalho <pimenta at inatel.br>

> Hi.
> My SIP proxy is an OpenSIPS version 2.4.7. It was 'off' for a while and
> today I turned it on again for some tests.
> I usually use my home office local WIFI to connect my softphones to the
> network and it can be all connected (online) to this SIP proxy.
> However, if I use the mobile network (LTE/4G) to connect the softphones to
> the SIP proxy, the OpenSIP returns an error 500. That is: "SIP/2.0 500
> Server error occurred (7/TM)".
> One of the softphones (Zoiper) allows me to use a kind of "proxy PUSH". If
> I use it, the problem is solved even while using the mobile network.
> What is a proxy PUSH?  Why OpenSIPs return error in a case, but not in the
> other one?
> What could I do to avoid using a 'proxy PUSH'?
> Local WIFI and mobile network come from different carriers.
> Any hint will be very helpful!
> Best regards.
> Inatel Competence Center
> Software
> Ph: +55 35 3471 9200 RAMAL: 979
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
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