[SR-Users] Kamailio ims with TCP

[Amar Tinawi]

Hello Daniel

Thanks for your help, actually that is my question from the beginning, is
it mandatory to have sockets for UDP ?
Can I enable only TCP protocol between instances ?


On Mon, Feb 26, 2018 at 9:26 AM, Daniel-Constantin Mierla <miconda at gmail.com
> wrote:

> Actually the error is because you try to forward via UDP (proto 1). Be
> sure you have listen parameter for UDP and TCP sockets.
>
> Cheers,
> Daniel
>
> On 25.02.18 11:38, Amar Tinawi wrote:
>
> TCP alone errors were strange : on the proxy node i couldn't register and
> got the following errors :
> Feb 25 12:15:28 server1 [Proxy-CSCF][31641]: ERROR: tm [ut.h:303]:
> uri2dst2(): no corresponding socket for "NET.SYRIATEL" af 2
> Feb 25 12:15:28 server1 [Proxy-CSCF][31641]: ERROR: tm [t_fwd.c:469]:
> prepare_new_uac(): can't fwd to af 2, proto 1  (no corresponding listening
> socket)
> Feb 25 12:15:28 server1 [Proxy-CSCF][31641]: ERROR: tm [t_fwd.c:1735]:
> t_forward_nonack(): failure to add branches
> Feb 25 12:15:28 server1 [Proxy-CSCF][31641]: ERROR: siptrace
> [siptrace.c:1930]: trace_send_hep2_duplicate(): can't forward to af 2,
> proto 1 no corresponding listening socket
> Feb 25 12:15:28 server1 [Proxy-CSCF][31641]: ERROR: sl [sl_funcs.c:362]:
> sl_reply_error(): stateless error reply used: I'm terribly sorry, server
> error occurred (7/SL)
> ============================================================
> =========================
>
> These errors appearing when using two TCP and UDP, i could be able to
> register and make calls but still get errors
> Feb 25 11:37:15 server1 [Proxy-CSCF][28999]: ERROR: ims_usrloc_pcscf
> [udomain.c:409]: update_pcontact(): Error updating record in DB
> Feb 25 11:37:15 server1 [Proxy-CSCF][28999]: ERROR: ims_registrar_pcscf
> [notify.c:218]: process_contact(): failed to update pcscf contact
> Feb 25 11:37:15 server1 [Proxy-CSCF][28999]: ERROR: tm [tm.c:1242]:
> w_t_reply(): cannot send a t_reply to a message for which no T-state has
> been established
>
> In addition i cleaned all UDP SRV related records from DNS zone and tried
> to forced all instances in the TCP mode configuration
>
> **Also, in the TCP mode all the  ip addresses that the registrations comes
> from are not the real ip's of the users, and also this is very strange
> i got some random  IP's
>
> On Fri, Feb 23, 2018 at 10:41 AM, Daniel-Constantin Mierla <
> miconda at gmail.com> wrote:
>
>> Hello,
>>
>> have you look at syslog messages? Are there any errors? Between Kamailio
>> instances, tcp for sip should work. Check also configs to be sure UDP is
>> not enforced there.
>>
>> Cheers,
>> Daniel
>>
>> On 22.02.18 12:40, Amar Tinawi wrote:
>>
>> Hello list
>>
>> For some reason i couldn't register on kamailio ims when i use only TCP
>> protocols between nodes, the error was solved when i enabled UDP between
>> I-CSCF and S-CSCF
>>
>>
>> is it mandatory for those two nodes to talk over UDP only ? or i'm
>> missing something ?
>> and in general for sip protocol which is better ? UDP or TCP ?
>>
>>
>> Regards,
>>
>>
>> _______________________________________________
>> Kamailio (SER) - Users Mailing Listsr-users at lists.kamailio.orghttps://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>>
>> --
>> Daniel-Constantin Mierlawww.twitter.com/miconda -- www.linkedin.com/in/miconda
>> Kamailio Advanced Training - March 5-7, 2018, Berlin - www.asipto.com
>> Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com
>>
>>
>
> --
> Daniel-Constantin Mierlawww.twitter.com/miconda -- www.linkedin.com/in/miconda
> Kamailio Advanced Training - March 5-7, 2018, Berlin - www.asipto.com
> Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com
>
>
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