[SR-Users] Kamailio ims with TCP

[Daniel-Constantin Mierla]

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 <mailto: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,
>>
>>
>>     _______________________________________________
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>
>     -- 
>     Daniel-Constantin Mierla
>     www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
>     Kamailio Advanced Training - March 5-7, 2018, Berlin - www.asipto.com <http://www.asipto.com>
>     Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com <http://www.kamailioworld.com>
>
>

-- 
Daniel-Constantin Mierla
www.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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