[asterisk-dev] IAX2 very CPU hungry

[Anton]

both PC's have E1 PRI on zaptel, and they are the source and 
destination of RTP at the same time.

On 24 November 2006 21:55, Mark Rounds wrote:
> 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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