[SR-Users] Asterisk realtime with kamailio Load balancing issue for sip user

[Prakash N]

   Hi Muhammad,

    Thanks for your mail

   Actually we are trying to do load balance with one Kamailio
with multiple Asterisk  server

   Now if call Queue,IVR to Kamailio it routing to asterisk
with ramdam strategy load balance  ( first call on one and second to other
server )
  If i call extension to extension it is landing to all Asterisk ( I have
use all Asterisk feature for that i want to route all call to asterisk ) on
the same time ,How to do load balance  for extension calling also

We are not sure what we are tiring  doi is right or wrong

Please advice and correct us if anything wrong

With Regards

N.Prakash



On Sat, Mar 2, 2013 at 6:30 PM, Muhammad Shahzad <shaheryarkh at gmail.com>wrote:

> Why are you forwarding instead of relaying the message to selected
> destination? Forward is stateless and therefore likely to have NAT issues,
> specially if destination server is behind NAT or client is behind NAT and
> destination server is unable to handle NAT etc. etc.
>
> Also typically dispatcher is used to load balance calls between two or
> more upstream server, not for load balancing extensions within one server,
> though with some tweaking that might also be achieved but better to do this
> kind of thing on destination server rather then on kamailio.
>
> Thank you.
>
>
> On Sat, Mar 2, 2013 at 10:31 AM, Prakash N <prakash.n at tevatel.com> wrote:
>
>> Hi,
>>
>>   Can you please advice for the below issue
>>
>> With Regards
>>
>> N.Prakash
>>
>>
>>
>>
>> On Fri, Mar 1, 2013 at 9:32 AM, Prakash N <prakash.n at tevatel.com> wrote:
>>
>>> Hi All,
>>>
>>> We have finished the Kamailio & Asterisk real time integration and load
>>> balancing also done using dispatcher module.
>>>
>>> Queue and voice mails are load balancing as well.When we are calling
>>> extension to extension it is showing in all the servers.It seems extension
>>> are not load balancing as per our knowledge.
>>>
>>> I have attached the kamailio.cfg for your reference,Find my coding below
>>> as mentioned.
>>>
>>> *# -- dispatcher params for DB support --*
>>> *modparam("dispatcher","db_url", "mysql://
>>> openser:openserrw at 192.168.1.170/openser")*
>>> *modparam("dispatcher", "table_name", "dispatcher")*
>>> *modparam("dispatcher", "setid_col", "setid")*
>>> *modparam("dispatcher", "destination_col", "destination")*
>>> *modparam("dispatcher", "flags_col", "flags")*
>>> *modparam("dispatcher", "priority_col", "priority")*
>>> *
>>> *
>>> *
>>> -----------------------------------------------------------------------------------------
>>> *
>>> *# Dispatch requests*
>>> *route[DISPATCH] {*
>>> *if ( method=="INVITE" ) {*
>>> *# dst_select( "GROUP", "HASH METHOD")*
>>> *  ds_select_dst("1","4");*
>>> *  sl_send_reply("100","Trying");*
>>> *  forward();#uri:host, uri:port);*
>>> *  exit();*
>>> *}}*
>>>
>>> Kindly suggest the solution for the same.
>>>
>>> Thanks in advance.
>>>
>>> Regards,
>>>
>>> N.Prakash
>>>
>>
>>
>
>
> --
> Muhammad Shahzad
> -----------------------------------
> CISCO Rich Media Communication Specialist (CRMCS)
> CISCO Certified Network Associate (CCNA)
> Cell: +49 176 99 83 10 85
> MSN: shari_786pk at hotmail.com
> Email: shaheryarkh at googlemail.com
>
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