From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tomi Manninen <oh2bns@sral.fi>
Subject: Re: soundmodem on laptop.. receive working, xmit not working.
Date: Fri, 23 Jan 2004 13:01:00 +0200
Sender: linux-hams-owner@vger.kernel.org
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References: <20040122205731.5638d4df.washer@trlp.com>
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To: James Washer <washer@trlp.com>
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On Fri, 2004-01-23 at 06:57, James Washer wrote:

>     <chaccess txdelay="400" slottime="100" ppersist="40" fulldup="1" txtail="10"/>
>     <audio type="soundcard" device="/dev/dsp" halfdup="1"/>

Not sure if this is related to your problem but you have the fulldup/ 
halfdup settings wrong. For channel access you probably want 
fulldup=0 (ie. don't transmit if channel is busy) and for audio you
want halfdup=0. Half duplex audio io is probably a bad idea as it
can increase the rx/tx turnaround time.

-- 
Tomi Manninen / OH2BNS / KP20ME04