[SR-Users] issues with domain names in the record route

[Daniel-Constantin Mierla]

Hello,

you have to add the parameter "r2=on" in order for kamailio to check for
double record-routing addresses. Also, note that the default port for
tls is 5061.

Cheers,
Daniel

On 21/05/15 18:27, NITESH BANSAL wrote:
> Hello,
>
> I am trying to play with domain names in the Record-Route header.
> This is for a case when kamailio is doing the translation between UDP
> and TLS, so
> it is doing double record routing.
>  I want to use the ip addresses on inbound UDP leg and
> domain names on the outbound TLS leg in record-route headers.
> I'm doing this by calling the following function
> -- *record_route_preset("xyz.com;transport=tls", "1.1.1.1");* ----
> This does the trick of adding a Record-Route in initial TLS invite on
> the outbound leg:
> -----------------*
> Record-Route: <sip:xyz.com;transport=tls;lr=on>
> Record-Route: <sip:1.1.1.1;lr=on>*
> ----------------
>
> My problems start when the calling party sends a ACK to kamailio over UDP
> with the Route header
> *Route: <sip:1.1.1.1;lr=on>,<sip:xyz.com;transport=tls;lr=on>*
>
> I call loose_route() function in config file and as per my
> expectation, Kamailio should see that both
> these Route headers belong to Kamailio and it should use Request URI
> for forwarding the ACK,
> but unfortunately, Kamailio thinks that xyz.com is some other entity
> and tries to forward the ACK
> to xyz.com doing a DNS query.
> What can i do to avoid this problem, i need kamailio to recognize that
> "xyz.com" is kamailio as i
> have a defined an alias in the config file too as follows:
> alias=xyz.com:5060
>
> Thanks for your help in advance,
> Nitesh
>
>
>
>
>
>
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-- 
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio World Conference, May 27-29, 2015
Berlin, Germany - http://www.kamailioworld.com

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