[Asterisk-Users] Alternatives to SpanDSP??

[Adam Goryachev]

On Tue, 2005-04-26 at 08:57 -0400, Andrew Kohlsmith wrote:
> On April 26, 2005 08:12 am, Steve Underwood wrote:
> > Why would you expect a bunch of fax modems to work any better than
> > spandsp? If spandsp doesn't work reliably your system is very likely
> > broken.
> 
> I've had spandsp crash out on some kind of floating point error about a half 
> dozen times over about 250 faxes.... When it crashes it takes Asterisk down 
> with it.  These systems are SuperMicro Xeon server-class systems, no 
> overclocking, RAM was tested overnight with memtest86, no-nonsense, nothing 
> funny type machines.  SpanDSP and Asterisk were both compiled with the same 
> compiler without any oddball optimizations (just whatever's in the default 
> makefiles).
> 
> It's a bitch to try and reconstruct, but it's the only reason I'm not using 
> spandsp in production; when I was using spandsp I had it on a completely 
> separate machine on the local LAN to avoid the spandsp crashes from taking 
> the voice part down.

I was under the impression that pretty much all of these problems were
usually traced to the version of libtiff that was in use... Perhaps you
should try to track it down/solve the problem rather than patch it over?

Of course, it is sometimes difficult to keep working on solving a
problem when you don't have the knowledge to find the problem, and a
client just wants it to work right :)

Regards,
Adam
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Adam Goryachev
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