[Asterisk-Users] Re: Upgrade from Altigen

[Geoff Nordli]

> -----Original Message-----
> From: asterisk-users-admin at lists.digium.com 
> [mailto:asterisk-users-admin at lists.digium.com] On Behalf Of 
> James H. Thompson
> Sent: Tuesday, July 27, 2004 7:38 PM
> To: asterisk-users at lists.digium.com
> Subject: Re: [Asterisk-Users] Re: Upgrade from Altigen
> 
> > 
> > Thanks Jim.
> > 
> > Does anyone think that the Altigen has this feature 
> built-in or might they
> > have a device similar to the Power Fail Bypass installed?
> > 
> 
> The Altigen web site has technical manuals online.
>     http://www.altigen.com/customer_tech-manuals.html
> It would appear that the power failure transfer feature is 
> part of their hardware.
> I believe that in some places there are legal requirements 
> that some ability to call emergency
> services remain during a power failure.
> 
> 
> Jim
> 
> James H. Thompson
> jht at lava.net
> 

Thanks Jim.  I found the info in the guide.  Apparently upon failure the
card will automatically switch an incoming trunk to the first extension on
the card.  

So this brings me to find a similar solution.  I noticed that VoiceTronix
OpenSwitch has this to say on their site:

Phones Function on Power or PC Failure
    * Loop-Start ports switch through to Station ports on power or PC
failure to preserve basic telephone functionality.
    * This by-pass mechanism connects the external PSTN lines to telephone
handsets on station ports.
    * A watch-dog timer triggers the by-pass mechanism on PC failure.

>From how I read this the card will provide failover the to the FXS devices.
There is no documentation on the web site.  Can some expand on how this
works?  I assume that I can manually configure FXO to FXS mapping. 

It doesn't look like the Digium hardware supports this feature.  Is that
right?

Geoff