[Kamailio-Users] Load Balancing Asterisk using Kamailio

[irvan_tk]

Hello,
I'm interested with loadbalancer with kamailio in this thread. 
Because i follow the step on this thread i still can't dispacth a call from
sip phone where i register on kamailio server.
here my setup servers:
Kamailio load balancer 192.168.0.208
Asterisk Server #1 192.168.0.253
Asterisk Server #2 192.168.0.209

on softphone i register on 192.168.0.208. 
I confused on step two on this thread.
2. Then, using dipatcher module, I will configure it using this guide here :
http://kamailio.org/dokuwiki/doku.php/asterisk:load-balancing-and-ha
Then modify the dispatcher.list file to match the IP address of my asterisk
servers.
because the original kamailio.cfg doesn't content this :
if ( method=="INVITE" ) {
# dst_select( "GROUP", "HASH METHOD")
  ds_select_dst("1","4");
  sl_send_reply("100","Trying");
  forward();#uri:host, uri:port);
  exit();
}

or this 
if ( method=="INVITE" ) {
  dst_select_domain("1","4");
  # you can also add prefixes, if you need to send account codes
  # like:
  # prefix("123456");
  sl_send_reply("300","Redirect");
  exit;
}

I'm sori because i'm beginner. :d
here is my config file for kamailio.cfg :

loadmodule "dispatcher.so"
        # account only INVITEs
        if (is_method("INVITE")) {
                #setflag(1); # do accounting
                ds_select_domain("1","4");
                # you can also add prefixes, if you need to send account
codes
                # like:
                # prefix("123456");
                sl_send_reply("100","Trying");
                forward();
                exit;
        }

this my dispacther.list :
# sip server
1 sip:192.168.0.209:5060
1 sip:192.168.0.253:5060

Is I miss some step on this thread?
May I know the configuration file of kamailio.cfg and the dispacther.list
can you share me a high availability loadbalance sip.
Thanks for your help.

Best regards,


Irvan Kurniawan
Indonesia




Kurt Weasel wrote:
> 
> Hi,
> 
> I searched around the web to load balance asterisk servers and found
> Kamailio for possible solution. Let's say I have two identical asterisk
> servers with same dialplan and configuration and I want both servers look
> like they have same IP address from clients. Based on my understanding, we
> need 1 Kamailio as load balancer and 2 Asterisk servers as the real
> servers.
> Let's say the setup is :
> 
> Kamailio load balancer 192.168.2.1
> Asterisk Server #1 192.168.2.2
> Asterisk Server #2 192.168.2.3
> 
> My question is, X-Lite softphone Configuration should be set to domain
> 192.168.2.1, right?
> 
> I also want to know the step by step configuration to set kamailio as load
> balancer. I have not used Kamailio before. However after searching the
> documentation, the step (based on my understanding) is somewhat like this
> :
> 
> 1. Install Kamailio. I will use the step by step here :
> http://kamailio.org/dokuwiki/doku.php/install:kamailio-1.5.x-from-svn
> 
> 2. Then, using dipatcher module, I will configure it using this guide here
> :
> http://kamailio.org/dokuwiki/doku.php/asterisk:load-balancing-and-ha
> Then modify the dispatcher.list file to match the IP address of my
> asterisk
> servers :
> 
> *1 sip:192.168.2.2:5060
> 1 sip:192.168.2.3:5060*
> 
> Am I missing some steps?
> Do I also need to configure dialplan or any other file at Kamailio load
> balancer? Or those two steps basically done it all for simple load
> balancing
> configuration? Thanks for your responses.
> 
> Best Regard,
> Kurt Weasel.
> 
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