[asterisk-dev] IAX2 very CPU hungry

[Mark Rounds]

Another thing to consider is do you have sip re-invites turned on.  This
would keep sip calls from coming back to the Asterisk server by letting the
RTP Streams go directly from phone to phone.  Not sure if IAX2 has this
functionality, as I don't use IAX2 due to I'm only supporting Cisco and
Linksys IP Phones.  Something to think about.

Mark


-----Original Message-----
From: asterisk-dev-bounces at lists.digium.com
[mailto:asterisk-dev-bounces at lists.digium.com] On Behalf Of Anton
Sent: Thursday, November 23, 2006 10:25 PM
To: Asterisk Developers Mailing List
Subject: Re: [asterisk-dev] IAX2 very CPU hungry

On 23 November 2006 01:13, Martin Vít wrote:
> Anton wrote:
> > Hi!
> >
> > Just changed the protocol when P4-3Ghz (1.2.12.1) box
> > have been dying receiving 60-IAX2 with 100% load of
> > asterisk process, and changed the protocol to SIP -
> > Load decreased to under 50%!
>
> Do you have turned on hyperthreading?
> Codec is alaw or some compression?

That true for PC both with with HT or P4-D (though P4D has 
better performance.) No compression, ULAW. In any case SIP 
eats MUCH less CPU than IAX2

>
> > So seems implementation of IAX2 far no so
> > good as SIP implementation. Any hope to get IAX2 
> > better in 1.4?
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