[Asterisk-Dev] IAX2 trunk really should send timestamps as partof iax2_meta_trunk_entry..

Robert Jackson RobertJ at promedicalinc.com
Fri Jan 21 10:29:10 MST 2005


> -----Original Message-----
> From: Steve Kann [mailto:stevek at stevek.com] 
> Sent: Friday, January 21, 2005 9:34 AM
> To: Asterisk Developers Mailing List
> Subject: Re: [Asterisk-Dev] IAX2 trunk really should send 
> timestamps as partof iax2_meta_trunk_entry..
> 
> 
> Andrew Kohlsmith wrote:
> >
> >With the larger trunkfreq (god that's a bad name, it's *not* the 
> >trunking
> >frequency, it's the trunking period) you lose more on a 
> dropped frame though 
> >-- all a balancing act.  :-)
> >  
> >
> 
> Ahh, but, if with timestamps, you could interleave, like this:
> 
> Trunk Frame 1:   Call 1 Frame 1, Call 1 Frame 3
> Trunk Frame 2:   Call 1 Frame 2, Call 1 Frame 4
> Trunk Frame 3:   Call 1 Frame 5, Call 1 Frame 7
> Trunk Frame 4:   Call 1 Frame 6, Call 1 Frame 8
> [...]
> 
> So, when you lose a trunk frame, you lose 2 frames, but not 2 
> consecutive frames.
> 
> Combine that with PLC, and you can sustain a bunch of loss..
> 

Is that actually feasable?  How difficult would it be to 
interleave the frames?

I think that we are definitely on the right track with this.

Robert Jackson



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