[Kamailio-Users] add uri as a special header

[Daniel-Constantin Mierla]

Hello,

On 02/20/2009 03:18 PM, Juan Asencio wrote:
> Hi Daniel,
>
> I tried to add the new uri from carrierroute as a special header.
>
> But I can't figure it out how to do it. Do you have an example or can you
> point me where I could find the information about it?
>   
append_hf("My-Hdr: $ru\n");

Cheers,
Daniel


> Now I forward the invite to the gateway IP address, but I'm not sure if
> the new assigned uri by cr is on the header. How can I see that?
>
> The address 50.118 is my x-lite, 50.93 is Kamailio and 50.114 is my gateway
>
> U 192.168.50.118:60560 -> 192.168.50.93:5060
> INVITE sip:456789 at 192.168.50.93 SIP/2.0.
> Via: SIP/2.0/UDP
> 192.168.50.118:60560;branch=z9hG4bK-d8754z-0924d953ee50f428-1---d8754z-;rport.
> Max-Forwards: 70.
> Contact: <sip:1002 at 192.168.50.118:60560>.
> To: "456789"<sip:456789 at 192.168.50.93>.
> From: "1002"<sip:1002 at 192.168.50.93>;tag=2a692168.
>
>
> U 192.168.50.93:5060 -> 192.168.50.118:60560
> SIP/2.0 100 Giving a try.
> Via: SIP/2.0/UDP
> 192.168.50.118:60560;branch=z9hG4bK-d8754z-0924d953ee50f428-1---d8754z-;rport=60560.
> To: "456789"<sip:456789 at 192.168.50.93>.
> From: "1002"<sip:1002 at 192.168.50.93>;tag=2a692168.
>
> U 192.168.50.93:5060 -> 192.158.50.114:5060
> INVITE sip:456789 at 192.168.50.93 SIP/2.0.
> Via: SIP/2.0/UDP 192.168.50.93;branch=z9hG4bK81cd.0e7f7944.0.
> Via: SIP/2.0/UDP
> 192.168.50.118:60560;branch=z9hG4bK-d8754z-0924d953ee50f428-1---d8754z-;rport=60560.
> Max-Forwards: 69.
> Contact: <sip:1002 at 192.168.50.118:60560>.
> To: "456789"<sip:456789 at 192.168.50.93>.
> From: "1002"<sip:1002 at 192.168.50.93>;tag=2a692168.
>
> This is my log:
>
>
> Feb 20 14:47:57 localhost /sbin/kamailio[18371]: time [Fri Feb 20 14:47:57
> 2009] method (INVITE) r-uri (sip:456789 at 192.168.50.93) 2nd via (<null>)
> Feb 20 14:47:57 localhost /sbin/kamailio[18371]:
> INFO:carrierroute:cr_do_route: uri 456789 was rewritten to
> sip:456789 at host5.dk-ws
> Feb 20 14:47:57 localhost /sbin/kamailio[18371]:
> ERROR:tm:t_forward_nonack: no branch for forwarding
> Feb 20 14:47:57 localhost /sbin/kamailio[18371]: ERROR:tm:w_t_relay:
> t_forward_nonack failed
> Feb 20 14:47:57 localhost /sbin/kamailio[18371]: time [Fri Feb 20 14:47:57
> 2009] method (INVITE) r-uri (sip:456789 at host5.dk-ws) 2nd via (<null>)
> Feb 20 14:48:27 localhost /sbin/kamailio[18377]:
> CRITICAL:tm:t_should_relay_response: pick_branch failed (lowest==-1) for
> code 408
>
> Cheers,
>
> Juan.-
>
>   
>> Hello,
>>
>> your issue has nothing to do with a call stateful server.
>>
>> You simply do record route in your config so for within dialog requests
>> the routing is don properly.
>>
>> For initial invite, I assume (as I never used it) carrierroute sets the
>> R-URI so you just use:
>>
>>  t_relay("udp:asteriskip:asteriskport");
>>
>> and in asterisk you dial the address in the r-uri.
>>
>> If carrierroute is setting the dst_uri, then add it as special header,
>> use same to forward to asterisk, but there use the special header to
>> dial out.
>>
>> Cheers,
>> Daniel
>>     
>
>
>
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>   

-- 
Daniel-Constantin Mierla
http://www.asipto.com