[Kamailio-Users] dispatcher has problems

[Vic Jolin]

Great! That worked

On Fri, Apr 9, 2010 at 11:01 PM, Carsten Bock <lists at bock.info> wrote:

> Hi,
>
> your problem is, that you are using round robin for registration (method
> 4).
> The system creates a nonce value and validates this. Normally, only the
> system which generated the nonce can validate it (this should apply for the
> Asterisk, in the Kamailio Authentication you may configure this,
> http://kamailio.org/docs/modules/1.5.x/auth.html#id2510477). So we have to
> make sure, that both the original INVITE/REGISTER and the following
> INVITE/REGISTER reach the same server.
>
> In your case, you should use a different algorithm (Please see
> http://kamailio.org/docs/modules/1.5.x/dispatcher.html#id2468101).
> Probably algorhitm "0" would be best for you (Hash over Call-ID). For your
> requests you should replace " ds_select_dst("1","4");" with
> " ds_select_dst("1","0");" and your authentication should work.
>
> Carsten
>
> 2010/4/9 Vic Jolin <victor.jolin at gmail.com>
>
>> I just noticed that if I have 4 servers set like this
>>
>> # group  sip addresses of your * units
>> 1 sip:XXX.XXX.XXX.XXX:5060
>> 1 sip:XXX.XXX.XXX.XXX:5060
>> 1 sip:XXX.XXX.XXX.XXX:5060
>> 1 sip:XXX.XXX.XXX.XXX:5060
>>
>> the registration does not work and I get 401 unauthorized.
>>
>>
>> My setup is like this
>>
>> Openser as proxy sends all SIP messages to load balanced asterisk servers
>> So sip phones should be able to register to the asterisk server
>>
>> The routing part in kamailio.cfg looks like this
>>
>> if ( method=="REGISTER" || method=="NOTIFY" || method=="OPTIONS" ||
>> method=="ACK" || method=="MESSAGE") {
>>         fix_nated_contact();
>>         fix_nated_register();
>>         ds_select_dst("1","4");
>>         forward();#uri:host, uri:port);
>>         exit();
>>
>> }
>>
>> if (method=="BYE" || method=="CANCEL") {
>>         unforce_rtp_proxy();
>> } else if (method=="INVITE"){
>>         log("VCTOR: Got an invite\n");
>>         fix_nated_contact();
>>         force_rtp_proxy();
>>         ds_select_dst("1","4");
>>         forward();#uri:host, uri:port);
>>         t_on_failure("1");
>> };
>>
>>         search_append('Contact:.*sip:[^>[:cntrl:]]*', ';nat=yes');
>>
>> t_on_reply("1");
>>
>>
>> if
>> (!is_method("INVITE|REGISTER|MESSAGE|BYE|NOTIFY|ACK|CANCEL|REFER|SUBSCRIBE|OPTIONS|INFO"))
>> {
>> xlog("L_INFO", "=== [$rm] Method Not Implement ===========\n");
>>
>> sl_send_reply("501", "Not implemented here");
>> return;
>> };
>>
>>
>> any thoughts?
>>
>> _______________________________________________
>> Kamailio (OpenSER) - Users mailing list
>> Users at lists.kamailio.org
>> http://lists.kamailio.org/cgi-bin/mailman/listinfo/users
>> http://lists.openser-project.org/cgi-bin/mailman/listinfo/users
>>
>
>
>
> --
> Carsten Bock
> Schomburgstr. 80
> 22767 Hamburg
> Germany
>
> Mobile +49 179 2021244
> Home +49 40 34927217
> Fax +49 40 34927218
> mailto:carsten at bock.info
>
>


-- 
Vic Jolin
MyPhotoblog | http://www.pinoyclicks.net
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