[Asterisk-Users] How does Asterisk use CPU?

[Matthew Asham]

Thanks Steve, that pretty much answers what I wanted to know.

I was asking more out of general than for a specific deployment, but
if I do have further questions I'll be sure to elaborate. :)

Matthew

Friday, November 28, 2003, 6:41:23 AM, you wrote:

> On Fri, 2003-11-28 at 06:51, Matthew Asham wrote:
>> Hello,
>> 
>> I'm trying to figure out what portions of Asterisk need a lot of CPU
>> time.

> Mostly codec translations.

>> I thought I read somewhere that a Dual P4 2.something will support
>> approximately 80 calls.  Is this based on calls that Asterisk is
>> actively doing voice processing for (say, Zap channels and voicemail)?

> I think that thread would have been more specific to a task, or just
> blanket overkill.

>> Would a SIP client going through Asterisk and out an IAX channel be
>> CPU intensive if I kept the codec the same throughout the path?

> If the codec is the same, then all that is being done is reformating the
> control protocol. If there is any codec translations, then you would run
> into some extra overhead.

>> I'm probably not asking very clearly, it's awefully late (err,
>> early) but any pointers would be greatly appreciated.

> Maybe you would do better to ask more pointed what YOU need help with.
> If you need help with specing out a machine for your installation, then
> start specing your installation so we can help.