[SR-Users] Why does Kamailio return many Contacts in Contact header in REGISTER response ?

[Khoa Pham]

@Olle, Peter:

Does Kamailio restrict on the number of old registration (Registration that
are not expired yet)?



On Thu, May 30, 2013 at 5:11 PM, Peter Dunkley <
peter.dunkley at crocodile-rcs.com> wrote:

>  All of them if you just use lookup() and it serial/parallel forks based
> on q-value if you use t_load_contacts() and t_next_contacts() correctly.
>
> This is the correct SIP behaviour as per RFC 3261.
>
> Regards,
>
> Peter
>
>
> On 30/05/13 11:05, Khoa Pham wrote:
>
> @Olle:
>
>  So when I have incoming calls, which registration does Kamailio respond
> to ? (What address does it choose to send me INVITE) ?
>
>
>  On Thu, May 30, 2013 at 4:44 PM, Jesús Pérez Rubio <
> jesus.perez at quobis.com> wrote:
>
>> You can change the expires time in your kamailio.cfg file:
>> http://kamailio.org/docs/modules/0.9.x/registrar.html#AEN62
>>
>>
>>
>> 2013/5/30 Olle E. Johansson <oej at edvina.net>
>>
>>
>>> 30 maj 2013 kl. 11:38 skrev Khoa Pham <onmyway133 at gmail.com>:
>>>
>>> > When I make REGISTER request to server Kamailio. Kamailio sometimes
>>> return me REGISTER 200 OK response with many Contacts in Contact header
>>> field
>>> >
>>> > Contact:
>>> > <sip:user1 at 1.1.1.1:58492;transport=TLS;ob><sip:user1 at 1.1.1.1:58492;transport=TLS;ob>
>>> ;expires=29;received="sip:1.1.1.1:58492;transport=TLS",
>>> > <sip:user1 at 3.3.3.3:58520;transport=TLS;ob><sip:user1 at 3.3.3.3:58520;transport=TLS;ob>
>>> ;expires=244,
>>> > <sip:user1 at 1.1.1.1:58529;transport=TLS;ob><sip:user1 at 1.1.1.1:58529;transport=TLS;ob>
>>> ;expires=284;received="sip:1.1.1.1:58529;transport=TLS",
>>> > <sip:user1 at 3.3.3.3:58548;transport=TLS;ob><sip:user1 at 3.3.3.3:58548;transport=TLS;ob>
>>> ;expires=329,
>>> > <sip:user1 at 3.3.3.3:58562;transport=TLS;ob><sip:user1 at 3.3.3.3:58562;transport=TLS;ob>
>>> ;expires=393,
>>> > <sip:user1 at 1.1.1.1:58571;transport=TLS;ob><sip:user1 at 1.1.1.1:58571;transport=TLS;ob>
>>> ;expires=483;received="sip:1.1.1.1:58571;transport=TLS",
>>> > <sip:user1 at 2.2.2.2:58588;transport=TLS;ob><sip:user1 at 2.2.2.2:58588;transport=TLS;ob>
>>> ;expires=538,
>>> > <sip:user1 at 1.1.1.1:58600;transport=TLS;ob><sip:user1 at 1.1.1.1:58600;transport=TLS;ob>
>>> ;expires=587;received="sip:1.1.1.1:58600;transport=TLS",
>>> > <sip:user1 at 2.2.2.2:58611;transport=TLS;ob><sip:user1 at 2.2.2.2:58611;transport=TLS;ob>
>>> ;expires=630,
>>> > <sip:user1 at 1.1.1.1:58624;transport=TLS;ob><sip:user1 at 1.1.1.1:58624;transport=TLS;ob>
>>> ;expires=670;received="sip:1.1.1.1:58624;transport=TLS",
>>> > <sip:user1 at 2.2.2.2:58632;transport=TLS;ob><sip:user1 at 2.2.2.2:58632;transport=TLS;ob>
>>> ;expires=706,
>>> > <sip:user1 at 1.1.1.1:58650;transport=TLS;ob><sip:user1 at 1.1.1.1:58650;transport=TLS;ob>
>>> ;expires=826;received="sip:1.1.1.1:58650;transport=TLS",
>>> > <sip:user1 at 2.2.2.2:58661;transport=TLS;ob><sip:user1 at 2.2.2.2:58661;transport=TLS;ob>
>>> ;expires=900;+sip.instance="<urn:uuid:00000000-0000-0000-0000-00007dtrf0a4c>";reg-id=1
>>> >
>>> > Why is that ?
>>>
>>>
>>>  The SIP standard says that the response should include ALL current
>>> registrations. These are registrations that has not expired yet.
>>>
>>> /O
>>>
>>>
>>> _______________________________________________
>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>> sr-users at lists.sip-router.org
>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>
>>
>>
>>
>>  --
>> Jesús Pérez
>> VoIP Engineer at Quobis
>>
>> Fixed: +34 902 999 465
>> Site: http://www.quobis.com
>>
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>> sr-users at lists.sip-router.org
>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>
>>
>
>
>  --
> Khoa Pham
> HCMC University of Science
> www.fantageek.com
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users at lists.sip-router.orghttp://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
>


-- 
Khoa Pham
HCMC University of Science
www.fantageek.com
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