RE: Voice Compression

["Ray Burkholder" <ray () oneunified net>]

There is also something out there called IAX trunking.  It can use a low
bandwidth codec and put a bunch of simultaneous conversations into fewer
packets, which helps to cut down on the high packet tax you'd normally get
with packetizing individual voice channels.  And works over any IP link.

Ray Burkholder
ray () oneunified net
http://www.oneunified.net
704 576 5101


> -----Original Message-----
> From: owner-nanog () merit edu [mailto:owner-nanog () merit edu] On 
> Behalf Of Bill Woodcock
> Sent: November 13, 2003 21:10
> To: Anton L. Kapela
> Cc: Robert White; nanog () merit edu
> Subject: Re: Voice Compression
>
>
>
>       On Thu, 13 Nov 2003, Anton L. Kapela wrote:
>     > I would like to also suggest seeking devices that use 
> "iLBC" as a
>     > codec. I've been using this codec for interconnecting 
> voip systems and
>     > have been very pleased with the results.
>     > Check it out: http://www.ilbcfreeware.org
>
> Yep, although I haven't used it yet myself, I've been hearing it very
> widely praised, particularly for traffic flowing across 
> high-congestion
> Internet links.  Apparently it can sustain 20% packet loss without
> significant reduction in voice quality.  However, this was 
> supposed to be
> over "T1s" which I assumed to mean point-to-point serial.
>
>                                 -Bill
>
>
>
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