We've done active/passive installs and they do work quite well with the use of Linux Heartbeat or a similar technology and scripting to make sure that data is getting synched between both servers. <br><br> Both Asterisk would be able to use that same circuit if you put that circuit on a telephony appliance similar to
<a href="http://redfone.com">redfone.com</a> that you can find more info about on <a href="http://voipsupply.com">voipsupply.com</a>. That would put your circuit onto TDMoE and then when you failover, you need only make sure that the device knows to start sending TDMoE data to the secondary server and redfone does know how to handle a setup like this.
<br><br> One drawback is redfone claims to presently only support T1 and it would appear you need E1. You can ask them if they plan on supporting E1. If not, you can likely replicate what they're doing with a solid state asterisk device using an E1 card. (eg. a Soekris Net4801 box with a Sangoma A101u in it)
<br><br><div><span class="gmail_quote">On 10/2/05, <b class="gmail_sendername"><a href="mailto:asterisk@sipspain.com">asterisk@sipspain.com</a></b> <<a href="mailto:asterisk@sipspain.com">asterisk@sipspain.com</a>> wrote:
</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br><font face="sans-serif" size="2">Has anyone real experiences with clustering
for Asterisk ?<br>
<br>
I already did some googling, and also look at wi-ki for solutions for High
Avaiability, but I did not find enough info to aply a solution for my customer.</font>
<br>
<br><font face="sans-serif" size="2">He wants a cluster, and if possible,
to have their staff load balanced to two asterisk. When one of them crash
or does not works correctly, the other one should make his job on a transparent
work to the users...</font>
<br>
<br><font face="sans-serif" size="2">So, I prefer an active-active cluster,
but if that is impossible to cover, it is Ok to have an active-passive
cluster.</font>
<br>
<br><font face="sans-serif" size="2">It would be nice if also it could cover
the following</font>
<br>
<br><font face="sans-serif" size="2">- Customer has only on PRI (E1) line...
Is there any way for both asterisk to use the same circuit ?</font>
<br>
<br><font face="sans-serif" size="2">Also, for small installations (to 8
extensions) I would need a solution for the main operator phone to remain
active if Asterisk goes down. I mind, if PBX does not work, the external
line should at least get connected dirctly to the phone and allow them
to receive calls until situation is solved. Any idea on this ?</font>
<br>
<br>
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