[SR-Users] Kamailio 300 Multiple choices

Alex Balashov abalashov at evaristesys.com
Fri May 29 17:12:56 CEST 2015


Ali,

It's up to you where you pull the gateway list from. After that, you can 
use append_to_reply() to construct the Contact header and send the 
redirect message.

So, yes, it can be done.

-- Alex

On 05/29/2015 10:35 AM, Ali Taher wrote:

> Hello,
>
> We need to integrate Kamailio with an exchange switch in order to have
> routing decision.
>
> Kamailio must send to the switch the list of available gateways in the
> contact tag of SIP response as shown in the below example:
>
> SIP/2.0 300 Multiple choices
>
> Via: SIP/2.0/UDP 172.16.5.112:5060;branch=z9hG4bK1sansay9906915rdb2243
>
> Via: SIP/2.0/UDP 216.53.4.5:5060;branch=z9hG4bK_1852370774_4741_1
>
> To: <sip:86532917453592 at 69.41.186.186:5060
> <http://sip:86532917453592@69.41.186.186:5060>>
>
> From: <sip:+249964642906 at 216.53.4.5:5060;otg=024050>;tag=1852370774_C
>
> Call-ID:
> sbcsipuac.2_169.132.137.51_b55sb12_1_1_2015052909455960_1852370774_487698
>
> CSeq: 1 INVITE
>
> Contact: *<sip:2917453592 at 036310>, <sip:2917453592 at 016500>,
> <sip:138295#2917453592 at 044610>, <sip:2917453592 at 020100>*
>
> Server: Invoice SIP-server
>
> Content-Length: 0
>
> Is this can be done through drouting module , or we need to use another
> module ?
>
> Your help is highly appreciated.
>
> Regards,
>
> Ali
>
>
>
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>


-- 
Alex Balashov | Principal | Evariste Systems LLC
303 Perimeter Center North, Suite 300
Atlanta, GA 30346
United States

Tel: +1-800-250-5920 (toll-free) / +1-678-954-0671 (direct)
Web: http://www.evaristesys.com/, http://www.csrpswitch.com/



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