[Kamailio-Users] Get send_socket if I have no new branch

catalina oancea catalina.oancea at gmail.com
Wed May 13 11:40:48 CEST 2009


Thanks for your answer Daniel,

I want to replace the contact header with the IP that kamailio uses to
send the message. Is there any other way to do this?




2009/5/13 Daniel-Constantin Mierla <miconda at gmail.com>:
> Hello,
>
> On 05/13/2009 11:05 AM, catalina oancea wrote:
>>
>> Hello all
>>
>> In my kamailio.cfg I don't use append_branch at all and I listen on
>> multiple addresses. Before running t_relay I need to know on which
>> socket will the request be sent. I don't want to change the socket,
>> but I want to know which socket is chosen. I tried
>> $(branch(send_socket)[0]) and $(branch(send_socket)) but I got error
>> "ERROR:pv:pv_get_branchx: error accessing branch [0]"
>> Does anybody know how I can get this info?
>>
>
> send socket is set if you do force_send_socket() or assignment to $fs.
>
> It is a bit hard to get outgoing socket while processing the incoming
> message. As a rule, if it can be routed from same socket as the message
> arrived, then that one is used.
>
> You get the error above as you didn't added the branch, so the branch index
> was not updated and it is out of range what you want to access. Use $fs to
> get the send socket from the sip message structure.
>
> Anyhow, not sure it really helps, as it might not be the used value at the
> end, can you give more details of what you look for?
>
> In the very close future, you can get it via using the send_route with
> kamailio 3.0.
>
> Cheers,
> Daniel
>
> --
> Daniel-Constantin Mierla
> http://www.asipto.com/
>
>




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