[SR-Users] Kamailio+Asterisk - Kamailio doesn't forward INVITE to 2nd Kamailio

[Daniel-Constantin Mierla]

Hello,


On 13.06.17 14:35, Marko Tirs wrote:
> Hi all,
>
> I have here:
> Kamailio 1: 192.168.0.11
> Kamailio 2: 192.168.0.21
> Asterisk 1: 192.168.0.12
>
> Asterisk1 is registered on Kamailio1 as User 100. Asterisk1 shouldn't
> be registered on Kamailio2.
>
> User 111 registered on Kamailio1
> User 211 registered on Kamailio2
> User 121 registered on Asterisk1
>
> Test cases:
> ---------------------
> 111 calls 211 - OK
> 211 calls 111 - OK
> 121 calls 111 - OK
> 121 calls 211 - Kamailio1 doesn't forward INVITE to Kamailio2,
> Asterisk gets 'Busy' !?
>
>
> Is the approach just to replace destination IP-address in $ru,
> depending from 1st digit, right?

yes, if you partitioned the users and you know by first digit where it
should be registered, then all is fine -- update the r-uri and then you
can relay to the other server.

Cheers,
Daniel

>
> If not, what is the right approach to reach the remote users from
> Asterisk, which are registered on remote Kamailio and not on the local
> Kamailio?
>
> Thank you
> Regards
> Marko
>
>
> My changes in kamailio.cfg in both kamailios (based on
> kamailio-basic.cfg) :
> --------------------------------------------------------------------------------------------------------------
> kamailio1.bindip = "192.168.0.11"
> kamailio2.bindip = "192.168.0.21"
> ...
> route {
>     if (is_method("INVITE")) {
>         if($rU=~"^1[0-9][0-9]$") {
>             $ru = "sip:" + $rU + "@" + $sel(cfg_get.kamailio1.bindip)
> + ":5060";
>         }
>         else if($rU=~"^2[0-9][0-9]$") {
>             $ru = "sip:" + $rU + "@" + $sel(cfg_get.kamailio2.bindip)
> + ":5060";
>         }
>     }
> ...
>
> sip.conf in Asterisk1:
> ----------------------------------
> register => 100:abc at 192.168.0.124:5060/100
>
> [100]
> type=friend
> host=192.168.0.11
> secret=abc
> context=kamailio
>
> [121]
> type=friend
> secret=abc
> host=dynamic
> context=kamailio
>
> extensions.conf
> -------------------------------
> [kamailio]
> exten => _[1-4]XX,1,Dial(SIP/100/${EXTEN},30)
> exten => _[1-4]XX,n,Hangup()
>
>
>
>
> _______________________________________________
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> sr-users at lists.kamailio.org
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-- 
Daniel-Constantin Mierla
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - www.asipto.com
Kamailio World Conference - www.kamailioworld.com

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