[Asterisk-Users] Asterisk redundancy

[Julian Lyndon-Smith]

As a matter of curiosity, does anyone know what the E1/T1 interface in 
this (redfone) box is ?

Could the box be an embedded linux device with a PCI slot, running linux 
and therefore zaptel, and therefore the PCI card could be a Digium or 
sangoma card ...

Any clues ? Does anyone have such a box they could dismantle ;)

Julian.

Joseph Rothstein wrote:
> I'd like to start a discussion about Asterisk redundancy. I know this has
> been covered in the past, but would like to get an idea of what people are
> doing for a production system that must be up "all" the time.
> 
> Assuming a single E1 out.
> 
> Here are some of my ideas.
> 
> HA Linux between the two asterisk boxes. But I am not sure how the Asterisk
> DB would handle a fail over. What happens to the SIP registrations? Can the
> Asterisk DB be offloaded to MYSQL for example? The local DB is importatn
> because this is a call center with agents logged in to multiple queues.
> Config could either be realtime or duplicated manually. What about recorded
> message, has anyone had any problems with an NFS volume providing recorded
> messages such as periodic messages in queues? This solution would require a
> manual swap of the E1 cable inthe event of failure.
> 
> Is anyone using a PRI to Ethernet bridge, or any other kind of E1 GW that
> would allow failover to an alternate Asterisk box without manually switching
> the cable? This one is a litte
> expensive(http://www.mapleleaf-technologies.com/webstore/ethernetbridges.php
> ), but seems like it would do the trick. But I would have to run TDMoE
> between the Asterisk boxes and the bridge. Not a big deal probably, but I
> have no experience with TDMoE.
> 
> I would appreciate any comments regarding redundancy, and how people are
> solving these problems.
> 
> Regards to all,
> Joe
> 
> 
> 
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