Why does Kamailio return many Contacts in Contact header in REGISTER response ?

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Khoa Pham

30 May 2013 30 May '13

2:38 p.m.

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@1.1.1.1:58492 ;transport=TLS;ob>;expires=29;received="sip:1.1.1.1:58492;transport=TLS", <sip:user1@3.3.3.3:58520;transport=TLS;ob>;expires=244, <sip:user1@1.1.1.1:58529 ;transport=TLS;ob>;expires=284;received="sip:1.1.1.1:58529;transport=TLS", <sip:user1@3.3.3.3:58548;transport=TLS;ob>;expires=329, <sip:user1@3.3.3.3:58562;transport=TLS;ob>;expires=393, <sip:user1@1.1.1.1:58571 ;transport=TLS;ob>;expires=483;received="sip:1.1.1.1:58571;transport=TLS", <sip:user1@2.2.2.2:58588;transport=TLS;ob>;expires=538, <sip:user1@1.1.1.1:58600 ;transport=TLS;ob>;expires=587;received="sip:1.1.1.1:58600;transport=TLS", <sip:user1@2.2.2.2:58611;transport=TLS;ob>;expires=630, <sip:user1@1.1.1.1:58624 ;transport=TLS;ob>;expires=670;received="sip:1.1.1.1:58624;transport=TLS", <sip:user1@2.2.2.2:58632;transport=TLS;ob>;expires=706, <sip:user1@1.1.1.1:58650 ;transport=TLS;ob>;expires=826;received="sip:1.1.1.1:58650;transport=TLS", <sip:user1@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 ? -- Khoa Pham HCMC University of Science www.fantageek.com

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Olle E. Johansson

30 May 30 May

2:41 p.m.

New subject: Why does Kamailio return many Contacts in Contact header in REGISTER response ?

30 maj 2013 kl. 11:38 skrev Khoa Pham <onmyway133(a)gmail.com>om>:

...

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@1.1.1.1:58492;transport=TLS;ob>;expires=29;received="sip:1.1.1.1:58492;transport=TLS", <sip:user1@3.3.3.3:58520;transport=TLS;ob>;expires=244, <sip:user1@1.1.1.1:58529;transport=TLS;ob>;expires=284;received="sip:1.1.1.1:58529;transport=TLS", <sip:user1@3.3.3.3:58548;transport=TLS;ob>;expires=329, <sip:user1@3.3.3.3:58562;transport=TLS;ob>;expires=393, <sip:user1@1.1.1.1:58571;transport=TLS;ob>;expires=483;received="sip:1.1.1.1:58571;transport=TLS", <sip:user1@2.2.2.2:58588;transport=TLS;ob>;expires=538, <sip:user1@1.1.1.1:58600;transport=TLS;ob>;expires=587;received="sip:1.1.1.1:58600;transport=TLS", <sip:user1@2.2.2.2:58611;transport=TLS;ob>;expires=630, <sip:user1@1.1.1.1:58624;transport=TLS;ob>;expires=670;received="sip:1.1.1.1:58624;transport=TLS", <sip:user1@2.2.2.2:58632;transport=TLS;ob>;expires=706, <sip:user1@1.1.1.1:58650;transport=TLS;ob>;expires=826;received="sip:1.1.1.1:58650;transport=TLS", <sip:user1@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

Jesús Pérez Rubio

2:44 p.m.

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(a)edvina.net>

...

30 maj 2013 kl. 11:38 skrev Khoa Pham <onmyway133(a)gmail.com>om>:

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@1.1.1.1:58492

;transport=TLS;ob>;expires=29;received="sip:1.1.1.1:58492;transport=TLS",

<sip:user1@3.3.3.3:58520;transport=TLS;ob>;expires=244, <sip:user1@1.1.1.1:58529

;transport=TLS;ob>;expires=284;received="sip:1.1.1.1:58529;transport=TLS",

<sip:user1@3.3.3.3:58548;transport=TLS;ob>;expires=329, <sip:user1@3.3.3.3:58562;transport=TLS;ob>;expires=393, <sip:user1@1.1.1.1:58571

;transport=TLS;ob>;expires=483;received="sip:1.1.1.1:58571;transport=TLS",

<sip:user1@2.2.2.2:58588;transport=TLS;ob>;expires=538, <sip:user1@1.1.1.1:58600

;transport=TLS;ob>;expires=587;received="sip:1.1.1.1:58600;transport=TLS",

<sip:user1@2.2.2.2:58611;transport=TLS;ob>;expires=630, <sip:user1@1.1.1.1:58624

;transport=TLS;ob>;expires=670;received="sip:1.1.1.1:58624;transport=TLS",

<sip:user1@2.2.2.2:58632;transport=TLS;ob>;expires=706, <sip:user1@1.1.1.1:58650

;transport=TLS;ob>;expires=826;received="sip:1.1.1.1:58650;transport=TLS",

<sip:user1@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 ?

-- Jesús Pérez VoIP Engineer at Quobis Fixed: +34 902 999 465 Site: http://www.quobis.com

Khoa Pham

3:05 p.m.

...

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(a)edvina.net>

30 maj 2013 kl. 11:38 skrev Khoa Pham <onmyway133(a)gmail.com>om>:

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@1.1.1.1:58492

;transport=TLS;ob>;expires=29;received="sip:1.1.1.1:58492;transport=TLS",

<sip:user1@3.3.3.3:58520;transport=TLS;ob>;expires=244, <sip:user1@1.1.1.1:58529

;transport=TLS;ob>;expires=284;received="sip:1.1.1.1:58529 ;transport=TLS",

<sip:user1@3.3.3.3:58548;transport=TLS;ob>;expires=329, <sip:user1@3.3.3.3:58562;transport=TLS;ob>;expires=393, <sip:user1@1.1.1.1:58571

;transport=TLS;ob>;expires=483;received="sip:1.1.1.1:58571 ;transport=TLS",

<sip:user1@2.2.2.2:58588;transport=TLS;ob>;expires=538, <sip:user1@1.1.1.1:58600

;transport=TLS;ob>;expires=587;received="sip:1.1.1.1:58600 ;transport=TLS",

<sip:user1@2.2.2.2:58611;transport=TLS;ob>;expires=630, <sip:user1@1.1.1.1:58624

;transport=TLS;ob>;expires=670;received="sip:1.1.1.1:58624 ;transport=TLS",

<sip:user1@2.2.2.2:58632;transport=TLS;ob>;expires=706, <sip:user1@1.1.1.1:58650

;transport=TLS;ob>;expires=826;received="sip:1.1.1.1:58650 ;transport=TLS",

<sip:user1@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 ?

-- 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(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

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

Peter Dunkley

3:11 p.m.

...

@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(a)quobis.com <mailto:jesus.perez@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(a)edvina.net <mailto:oej@edvina.net>> 30 maj 2013 kl. 11:38 skrev Khoa Pham <onmyway133(a)gmail.com <mailto:onmyway133@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@1.1.1.1:58492;transport=TLS;ob>;expires=29;received="sip:1.1.1.1:58492;transport=TLS",

<sip:user1@3.3.3.3:58520;transport=TLS;ob>;expires=244,

<sip:user1@1.1.1.1:58529;transport=TLS;ob>;expires=284;received="sip:1.1.1.1:58529;transport=TLS",

<sip:user1@3.3.3.3:58548;transport=TLS;ob>;expires=329, <sip:user1@3.3.3.3:58562;transport=TLS;ob>;expires=393,

<sip:user1@1.1.1.1:58571;transport=TLS;ob>;expires=483;received="sip:1.1.1.1:58571;transport=TLS",

<sip:user1@2.2.2.2:58588;transport=TLS;ob>;expires=538,

<sip:user1@1.1.1.1:58600;transport=TLS;ob>;expires=587;received="sip:1.1.1.1:58600;transport=TLS",

<sip:user1@2.2.2.2:58611;transport=TLS;ob>;expires=630,

<sip:user1@1.1.1.1:58624;transport=TLS;ob>;expires=670;received="sip:1.1.1.1:58624;transport=TLS",

<sip:user1@2.2.2.2:58632;transport=TLS;ob>;expires=706,

<sip:user1@1.1.1.1:58650;transport=TLS;ob>;expires=826;received="sip:1.1.1.1:58650;transport=TLS",

<sip:user1@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(a)lists.sip-router.org <mailto:sr-users@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 <http://www.quobis.com/> _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org <mailto:sr-users@lists.sip-router.org> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Khoa Pham HCMC University of Science www.fantageek.com <http://www.fantageek.com> _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

Khoa Pham

4:27 p.m.

@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(a)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(a)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(a)edvina.net>

30 maj 2013 kl. 11:38 skrev Khoa Pham <onmyway133(a)gmail.com>om>:

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@1.1.1.1:58492;transport=TLS;ob><sip:user1@1.1.1.1:58492;transport=TLS;ob>

;expires=29;received="sip:1.1.1.1:58492;transport=TLS",

<sip:user1@3.3.3.3:58520;transport=TLS;ob><sip:user1@3.3.3.3:58520;transport=TLS;ob>

;expires=244,

<sip:user1@1.1.1.1:58529;transport=TLS;ob><sip:user1@1.1.1.1:58529;transport=TLS;ob>

;expires=284;received="sip:1.1.1.1:58529;transport=TLS",

<sip:user1@3.3.3.3:58548;transport=TLS;ob><sip:user1@3.3.3.3:58548;transport=TLS;ob>

;expires=329,

<sip:user1@3.3.3.3:58562;transport=TLS;ob><sip:user1@3.3.3.3:58562;transport=TLS;ob>

;expires=393,

<sip:user1@1.1.1.1:58571;transport=TLS;ob><sip:user1@1.1.1.1:58571;transport=TLS;ob>

;expires=483;received="sip:1.1.1.1:58571;transport=TLS",

<sip:user1@2.2.2.2:58588;transport=TLS;ob><sip:user1@2.2.2.2:58588;transport=TLS;ob>

;expires=538,

<sip:user1@1.1.1.1:58600;transport=TLS;ob><sip:user1@1.1.1.1:58600;transport=TLS;ob>

;expires=587;received="sip:1.1.1.1:58600;transport=TLS",

<sip:user1@2.2.2.2:58611;transport=TLS;ob><sip:user1@2.2.2.2:58611;transport=TLS;ob>

;expires=630,

<sip:user1@1.1.1.1:58624;transport=TLS;ob><sip:user1@1.1.1.1:58624;transport=TLS;ob>

;expires=670;received="sip:1.1.1.1:58624;transport=TLS",

<sip:user1@2.2.2.2:58632;transport=TLS;ob><sip:user1@2.2.2.2:58632;transport=TLS;ob>

;expires=706,

<sip:user1@1.1.1.1:58650;transport=TLS;ob><sip:user1@1.1.1.1:58650;transport=TLS;ob>

;expires=826;received="sip:1.1.1.1:58650;transport=TLS",

<sip:user1@2.2.2.2:58661;transport=TLS;ob><sip:user1@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 ?

-- Khoa Pham HCMC University of Science www.fantageek.com _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing listsr-users@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(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

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

Vitaliy Aleksandrov

5:08 p.m.

Kamailio can do this but it doesn't by default. http://kamailio.org/docs/modules/4.0.x/modules/registrar.html#idp110136

Khoa Pham

5:13 p.m.

@Vitaliy Many thanks, really appreciated On Thu, May 30, 2013 at 7:08 PM, Vitaliy Aleksandrov <vitalik.voip(a)gmail.com

...

wrote:

...

Kamailio can do this but it doesn't by default. http://kamailio.org/docs/**modules/4.0.x/modules/** registrar.html#idp110136<http://kamailio.org/docs/modules/4.0.x/modules/… ______________________________**_________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/**cgi-bin/mailman/listinfo/sr-**users<http:/…

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

Peter Dunkley

6:30 p.m.

That parameter will prevent new registrations when the maximum contacts have been exceeded. It won't get rid of any stale ones you have. Regards, Peter On 30/05/13 13:08, Vitaliy Aleksandrov wrote:

...

Kamailio can do this but it doesn't by default. http://kamailio.org/docs/modules/4.0.x/modules/registrar.html#idp110136 _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

Olle E. Johansson

6:12 p.m.

New subject: Why does Kamailio return many Contacts in Contact header in REGISTER response ?

30 maj 2013 kl. 12:05 skrev Khoa Pham <onmyway133(a)gmail.com>om>:

...

@Olle: So when I have incoming calls, which registration does Kamailio respond to ? (What address does it choose to send me INVITE) ?

WIth a default configuration file, all of them. /O

...

On Thu, May 30, 2013 at 4:44 PM, Jesús Pérez Rubio <jesus.perez(a)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(a)edvina.net> 30 maj 2013 kl. 11:38 skrev Khoa Pham <onmyway133(a)gmail.com>om>:

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@1.1.1.1:58492;transport=TLS;ob>;expires=29;received="sip:1.1.1.1:58492;transport=TLS", <sip:user1@3.3.3.3:58520;transport=TLS;ob>;expires=244, <sip:user1@1.1.1.1:58529;transport=TLS;ob>;expires=284;received="sip:1.1.1.1:58529;transport=TLS", <sip:user1@3.3.3.3:58548;transport=TLS;ob>;expires=329, <sip:user1@3.3.3.3:58562;transport=TLS;ob>;expires=393, <sip:user1@1.1.1.1:58571;transport=TLS;ob>;expires=483;received="sip:1.1.1.1:58571;transport=TLS", <sip:user1@2.2.2.2:58588;transport=TLS;ob>;expires=538, <sip:user1@1.1.1.1:58600;transport=TLS;ob>;expires=587;received="sip:1.1.1.1:58600;transport=TLS", <sip:user1@2.2.2.2:58611;transport=TLS;ob>;expires=630, <sip:user1@1.1.1.1:58624;transport=TLS;ob>;expires=670;received="sip:1.1.1.1:58624;transport=TLS", <sip:user1@2.2.2.2:58632;transport=TLS;ob>;expires=706, <sip:user1@1.1.1.1:58650;transport=TLS;ob>;expires=826;received="sip:1.1.1.1:58650;transport=TLS", <sip:user1@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(a)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(a)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 list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users

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9 comments

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participants (5)

Jesús Pérez Rubio
Khoa Pham
Olle E. Johansson
Peter Dunkley
Vitaliy Aleksandrov