[SR-Users] Removing transport=TLS from the contact header

Daniel-Constantin Mierla miconda at gmail.com
Tue Nov 10 11:58:37 CET 2015


Do you have set_contact_alias() or fix_nated_contact() in your config file?

Cheers,
Daniel

On 10/11/15 11:54, Rizwan Khan wrote:
> i am trying it but it doesn't change the string. Do I need to use
> msg_apply_changes() ??
>
> I am trying that but it gives syntax error in the file.
>
> log("L_INFO:", "INVITE::: [$ct]\n");
> subst("/^Contact:(.*);transport=tls(.*)/Contact:\1;transport=udp\2/i");
> if(msg_apply_changes())
> {
>      xlog("L_INFO:", "INVITE::: [$ct]\n");
> }
>
>
> Rizwan Khan
>
>
>
> On Tue, Nov 10, 2015 at 11:45 AM, Koray Vatansever
> <koray.vatansever at gmail.com <mailto:koray.vatansever at gmail.com>> wrote:
>
>     Hi Rizwan,
>
>     You can try the following:
>
>     subst("/^Contact:(.*);transport=tls(.*)/Contact:\1;transport=udp\2/i");
>
>     On the other hand, there should not be any other contact header
>     modification in your script; for example set_contact_alias().
>
>
>
>
>     On Tue, Nov 10, 2015 at 7:28 AM, Rizwan Khan <rizkhan at gmail.com
>     <mailto:rizkhan at gmail.com>> wrote:
>
>         Guys,
>
>         Is this a stupid question or this just cannot be done?
>
>         Any help will be highly appreciated.
>
>         Thanks,
>
>         Rizwan Khan
>
>
>
>         On Mon, Nov 9, 2015 at 6:53 PM, Rizwan Khan <rizkhan at gmail.com
>         <mailto:rizkhan at gmail.com>> wrote:
>
>             I want to remove the transport=TLS from the contact header.
>
>             How can I do that inside Kamailio?  The flow is an under:
>
>
>             Client --------> Kamailio -------------> FS
>                        TLS                       UDP
>
>
>             Client <-------- Kamailio <------------- FS
>                        TLS                       UDP
>
>
>
>
>             FS gets a request on udp but it complains about TLS
>             profile as the contact header has the transport=TLS. Since
>             its receing traffic on UDP, if I only get rid of the value
>             from the Contact Header, it would be great.
>
>
>             Thanks,
>
>              
>             Rizwan Khan
>
>
>
>
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>
>
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-- 
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Book: SIP Routing With Kamailio - http://www.asipto.com
Kamailio Advanced Training, Nov 30-Dec 2, Berlin - http://asipto.com/kat

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