Sure,<div>I think this is a real need with plenty of demand. But it's not a solution that a proxy alone can fix, which is what OpenSIPs is. </div><div><br></div><div>There are likely ways to do it. I do a distributed queue system using libcurl with a PERL/MySQL backend to track the call's position. I perform a call loop on each session where it checks the position and delivers the call if X condition exists; else it plays music for Y seconds and then checks again and again..</div>
<div><br></div><div>I'm sure you can build something like this. Chances are you could probably even do it with sems or a hybrid solution with */FS. However, you'd probably be happier with a proper queue designed entirely in a media server like Freeswitch.</div>
<div><br></div><div>Good luck! Let us know if you do it in OpenSIPs. :)</div><div><br></div><div><br></div><div>-Brett</div><div><br><br><div class="gmail_quote">On Thu, Jul 16, 2009 at 10:59 AM, Grygoriy Dobrovolskyy <span dir="ltr"><<a href="mailto:g.dobrovolskyy@gmail.com" target="_blank">g.dobrovolskyy@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Good day everyone, i would like to discuss about load_balancer module and a way i really need to use opensips. Load balancer is a great tool, in my case resource are agents. In my project i need to receive all incoming calls and load balance them to 5 destinations with X agents. The number of agents is changing. We were able to create a script which is reading the number of agents logged in, and transfer that data to mysql opensips table. Let's say we do it every 5 min. The problem i am facing is simple to explain; What should we do when there are no agents ? I can not dispatch to same servers as it will break the system. Bogdan suggested to pass them to some other server with fr_inv_timer set to 10 for example, that server generate early media, when timer goes off we check if there are resources, and do same again if there are none. It will work if i don't get too much calls. The main problem occurs when there are 50 calls waiting and fresh call coming in. It is impossible to guarantee that the first call which came it will be served first, and this is what exactly i am trying to achieve. I am staring to think about some kind a tag system, which tags each call forwarded call to "waiting queue" and a some way of re inviting the call "first in line" when i have a free resource. Is there any way in this world to do that ? I am open to any propositions with any hardware&software involved. Of cource i would like that one day opensips is able to do that by himself. Am i alone in that demand ? Do we need actually a more advanced opensips call management module ? maybe with any other product (*/FS) interaction ?<br>
<br>Looking to hear from you.<br><font color="#888888"><br>Grygoriy Dobrovolskyy.<br>
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