[Asterisk-Users] Digium Quad Span Cards

[Daniel Salama]

On Apr 26, 2005, at 9:36 PM, Adam Goryachev wrote:

> Just wondering, but does the AMD multi CPU architecture improve the
> interrupt handling? My understanding of that architecture is that each
> CPU can deal with "it's own" PCI bus/interrupts/etc independently of
> each other, and also with their own memory/etc? Would this improve the
> scalability? In fact, would a multi-PCI bus system by itself 'solve' 
> the
> problem?

I'd be interested in knowing this as well.

>> I'm not confident that the Asterisk software scales well under certain
>> conditions, such as using Monitor to digitally record 16 spans of 
>> voice
>> channels, so solving the card issue may not be the last step in a 
>> large
>> installation.  If anyone has any insight on this, please post it to 
>> the
>> list.

Can't prove it, but by reading this: 
http://www.sineapps.com/news.php?rssid=653 it makes reference to a 
heavy loaded asterisk box doing a lot of "monitor"ing.

> On a suitable system, I think the CPU involved in the transcoding from
> ulaw/alaw to slinear would be minimal. Converting from slinear to gsm
> for example, might be quite high, but if you record in ulaw/alaw, then
> this might work.

How do you specify how you want Monitor to save the audio. Sorry for my 
ignorance.

Thanks,
Daniel