[asterisk-users] Quality problems with ISDN PRI

[Steve Totaro]

On Fri, Apr 25, 2008 at 12:22 PM, Steve Totaro
<stotaro at totarotechnologies.com> wrote:
> On Thu, Apr 24, 2008 at 4:45 PM, Jay R. Ashworth <jra at baylink.com> wrote:
>  > On Wed, Apr 23, 2008 at 02:14:27PM -0400, Steve Totaro wrote:
>  >  > There are much better solutions than doing a RAM drive.  While it may
>  >  > be stable (not in my experience, I advise using different servers for
>  >  > different tasks (with redundancy obviously).  A phone switch should be
>  >  > just that, a recording server should also be just that (in demanding
>  >  > environments).
>  >
>  >  That would be fine, if Asterisk was capable of buffering recording
>  >  writes, but I'm told it's not; the I/O involved in getting that
>  >  recording data off the box in real time is probably worse than that of
>  >  putting it onto disk -- disks are usually higher bandwidth channels
>  >  than network adapters.
>  >
>  >  For permanent storage, certainly, the recordings should be moved to
>  >  another box, and that's how we do it here.
>  >
>  >  Cheers,
>  >  -- jr '44 byte chunks. Is someone an ATM fan?' a
>  >  --
>  >  Jay R. Ashworth                   Baylink                      jra at baylink.com
>  >  Designer                     The Things I Think                       RFC 2100
>  >  Ashworth & Associates     http://baylink.pitas.com                     '87 e24
>  >  St Petersburg FL USA      http://photo.imageinc.us             +1 727 647 1274
>  >
>  >              Those who cast the vote decide nothing.
>  >              Those who count the vote decide everything.
>  >                -- (Joseph Stalin)
>  >
>
>  Well in the real world, your hypothesis has been proven wrong.
>
>  Thanks,
>  Steve Totaro
>

To correct my previous statement.  Who said anything about Asterisk
doing the recording function at all?  Certainly not me.  My recording
servers sometimes run Windows but usually Linux just to keep
everything in the "Phone Rack" on the same OS.

Thanks,
Steve Totaro