[OpenSIPS-Users] I need help to fix my AOR and little bit of understanding .

[Bogdan-Andrei Iancu]

Hi Sasmita,

Yes, give it a try by using the serialize_branches() and next_branches() 
functions

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   https://www.opensips-solutions.com
   https://www.siphub.com


On 5/5/26 10:32, Sasmita Panda via Users wrote:
> Hi All ,
>
> With opensips 3.4 , if I have 2 registered contacts in the database 
> and I want to perform serial forking during lookup, even if both 
> contacts have the same q value.
> Then how will I do this?
>
> serialize_branches(1, 1);
> Will this work?
> */
> /*
>         # Serial forking: serialize branches one at a time regardless 
> of q-value.
>         # keep_order=1 (2nd arg) is REQUIRED when contacts have equal 
> q-values
>
> This is what I found while searching for a solution.Do let me know , 
> if I am in the right track or not .
> */
> /*
> */Thanks & Regards/*
> /Sasmita Panda/
> /Senior Network Testing and Software Engineer/
> /3CLogic , ph:07827611765/
>
>
> On Wed, Apr 22, 2026 at 3:17 PM Sasmita Panda <spanda at 3clogic.com> wrote:
>
>     you mean the global parameter of registrar module .
>     modparam("registrar", "max_contacts", 1)
>
>     This will keep 1 AOR per contact. AOR is address of record which
>     is the combination of user at IP (user at 20.0.0.1). In my case for
>     every registration the IP address changes with every registration.
>     So, OpenSIPS is considering this a different AOR and is saving
>     multiple contacts.
>     */
>     /*
>     */
>     /*
>     */Thanks & Regards/*
>     /Sasmita Panda/
>     /Senior Network Testing and Software Engineer/
>     /3CLogic , ph:07827611765/
>
>
>     On Wed, Apr 22, 2026 at 1:12 PM Richard Robson
>     <richard at rikrobson.co.uk> wrote:
>
>         Have you tried to limit the number with max_contacts()
>         parameter ? if you set the value to 1 it should only keep one
>         AOR per contact. If that doesn't do what you want you are
>         going to have to set up some logic to do a lookup foir a
>         previous registration and manage the contacts that way,
>         probably with a is_contact_registered function.
>
>         there are plenty of optoins in the register module
>
>         https://opensips.org/docs/modules/3.6.x/registrar.html
>
>
>         Richard
>
>         On 22/04/2026 08:24, Sasmita Panda via Users wrote:
>>         Hi ,
>>
>>         I am using opensips 3.4 .
>>
>>         While saving the contact I have called the save unction as
>>         below .
>>          if(!save("location","max-contacts=1,force-registration,path-lazy"))
>>                                   sl_reply_error();
>>
>>         My requirement was to save a single contact for a username.
>>         If there will be multiple registration then over ride the
>>         older one with the latest one .
>>
>>         After this, I can see my calls getting forked between 2
>>         contacts . I can see that the IP addresses of both contacts
>>         are different, but the username part is the same.
>>         user at 10.0.0.1:45670 <http://user@10.0.0.1:45670>
>>         user at 10.0.0.2:58095 <http://user@10.0.0.2:58095>
>>
>>         This means the system saves both contacts for the user.
>>         Consequently, during lookup, it finds 2 contacts and
>>         simultaneously forks the call to both destinations.
>>
>>         In my case, the request comes from the ALB, which has a
>>         dynamic IP. Also the call id can be different. If I open
>>         multiple browser tabs and register the same user from both
>>         tabs, the registration will originate with different IPs and
>>         call IDs.
>>
>>         How I will save single contact in this case ?
>>
>>
>>         */Thanks & Regards/*
>>         /Sasmita Panda/
>>         /Senior Network Testing and Software Engineer/
>>         /3CLogic , ph:07827611765/
>>
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