LinuxSA Mailing list archives

  From: Mark Newton <newton@atdot.dotat.org>
  To  : Daryl Tester <dt@picknowl.com.au>
  Date: Tue, 28 Nov 2000 11:00:29 +1030

Re: ADSL Enabled Exchange Areas: Updated 20/11/2000

On Mon, Nov 27, 2000 at 09:40:49PM +1030, Daryl Tester wrote:

 > Glen Turner wrote:
 > > With 2.4Kbps they can identify and re-route modem calls whilst
 > > compressing voice to 5.5Kbps.  The voice compression kills
 > > modulations like QAM that get more than 2.4Kbps out of 2.4Kbaud.
 > > 
 > > The compression was desirable as Telstra runs microwave bearers
 > > to remote regions.
 > 
 > Ahh, enlightenment.  Do they do this regardless, or just for voice
 > calls?

They rarely do it at all;  They just reserve the option of doing it
where they think it'll make sense.

   - mark

--------------------------------------------------------------------
I tried an internal modem,                    newton@atdot.dotat.org
     but it hurt when I walked.                          Mark Newton
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