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

[Rodrigo Pimenta Carvalho]

Hi.  I found the error cause.  But I still don't know why I have such issue.


When I use my Internet Link (WIFI in my home office), the SIP register message is sent correctly. Like this:

Session Initiation Protocol (REGISTER)
    Request-Line: REGISTER sip:54.233.189.46:5060;transport=UDP SIP/2.0
        Method: REGISTER
        Request-URI: sip:54.233.189.46:5060;transport=UDP
        [Resent Packet: False]
    Message Header
        Via: SIP/2.0/UDP 192.168.1.103:5060;branch=z9hG4bK-524287-1---6dbfa766cffddeee;rport
        Max-Forwards: 70
        Contact: <sip:55555 at 192.168.1.103:5060;rinstance=1afa98b2b6d17a34;transport=UDP>
        To: <sip:55555 at 54.233.189.46:5060>;transport=UDP>
        From: <sip:55555 at 54.233.189.46:5060;transport=UDP>;tag=98bfc34c
        Call-ID: H1E0jkwiMniiyT5az1BT7g..
        CSeq: 1 REGISTER
        Expires: 60
        Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO, SUBSCRIBE
        User-Agent: Zoiper v2.10.18.1-mod
        Allow-Events: presence, kpml, talk
        Content-Length: 0

Opensips got the message above.

However, when I use the GSM mobile network (from VIVO) , some service changes the content of the SIP Register message. Like this:

Session Initiation Protocol (REGISTER)
    Request-Line: REGISTER sip:[64:ff9b::36e9:bd2e]:5060;transport=UDP SIP/2.0
        Method: REGISTER
        Request-URI: sip:[64:ff9b::36e9:bd2e]:5060;transport=UDP
        [Resent Packet: False]
    Message Header
        Via: SIP/2.0/UDP [64:ff9b::c000:4];branch=z9hG4bK-524287-1---0a8189adf6c3449a
        Max-Forwards: 70
        Contact: <sip:55555@[64:ff9b::c000:4]:5060;transport=UDP;rinstance=ffaac43f13178e89>
        To: <sip:55555@[64:ff9b::36e9:bd2e]:5060>
        From: <sip:55555@[64:ff9b::36e9:bd2e]:5060>;tag=f19aea4d
        Call-ID: VICBinZsDk5_ZhpHGd__CQ..
        CSeq: 1 REGISTER
        Expires: 60
        Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE, OPTIONS, INFO, SUBSCRIBE
        User-Agent: Zoiper v2.10.18.1-mod
        Allow-Events: presence, kpml, talk
        Content-Length: 0


That is why Opensips returns error 500. I guess some service changed IPv4 to something IPv6.
Could it be caused by the GSM operator (VIVO) ?
What should I investigage to solve this problem?

Any hint will be very helpful !

Thanks alot.

RODRIGO PIMENTA CARVALHO
Inatel Competence Center
Software
Ph: +55 35 3471 9200 RAMAL: 979

________________________________
De: Users <users-bounces at lists.opensips.org> em nome de Daniel Zanutti <daniel.zanutti at gmail.com>
Enviado: quinta-feira, 12 de maio de 2022 11:57
Para: OpenSIPS users mailling list <users at lists.opensips.org>
Assunto: Re: [OpenSIPS-Users] Question about error 500 only via WIFI

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 look: https://www.zoiper.com/en/support/home/article/205/Zoiper%20Push%20Proxy

Regards


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

RODRIGO PIMENTA CARVALHO
Inatel Competence Center
Software
Ph: +55 35 3471 9200 RAMAL: 979

_______________________________________________
Users mailing list
Users at lists.opensips.org<mailto:Users at lists.opensips.org>
http://lists.opensips.org/cgi-bin/mailman/listinfo/users
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.opensips.org/pipermail/users/attachments/20220512/5a81e362/attachment-0001.html>