I had a look at the code and I discovered that the zt mod defaults to a echo can level of 64 internally.<br>I did a patch to the code that should allow it to be explicitly off when you omit that param.<br><br>If you could update to latest trunk and test it, it should be a real test of my theory.<br>
<br>If you still have the problem the next step would be to add some debugging code to <br>the ozmod_zt read and write functions to see if it's sending data up to the app.<br><br>Maybe there are some new ioctls or something they added for interop with OSLEC that we don't know about.<br>
<br><br><br><div class="gmail_quote">On Fri, Mar 19, 2010 at 1:21 PM, <span dir="ltr"><<a href="mailto:Russell.Mosemann@cune.org">Russell.Mosemann@cune.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div class="im">Anthony Minessale <<a href="mailto:anthony.minessale@gmail.com">anthony.minessale@gmail.com</a>> said:<br>
<br>
> All OpenZAP does with digium cards is open the device and read<br>
> and write from it. If you are getting no audio the problem is<br>
> happening in the kernel before OpenZAP gets to see anything.<br>
<br>
</div>That provides a starting point for checking things.<br>
<div class="im"><br>
> My suggestion is to look at /usr/local/freeswitch/conf/zt.conf<br>
> there is a line<br>
> echo_cancel_level => 64<br>
><br>
> try erasing or commenting it out with a leading ;<br>
<br>
</div>I did a quick test, and that didn't solve the problem. I'll have to look<br>
into it further.<br>
<div class="im"><br>
> >From my recollection when you use OSLEC, you have to disable the<br>
> dahdi/zaptel echo canceler.<br>
<br>
</div>That has changed in DAHDI. There is no default echo canceler. The<br>
specific echo canceler (if any) must be specified for each channel (or<br>
range of channels). OSLEC is referenced like any other echo canceler. For<br>
example,<br>
<br>
echocanceller=oslec,1-23<br>
<div class="im"><br>
> BTW, you got that card for $100 because it really is worth<br>
> that much, maybe less ;)<br>
<br>
</div>No arguments there. This is merely a toy system, and audio quality is not<br>
a factor. We just want to demonstrate that this can be useful for us.<br>
Based on past experience with Sangoma products and support, it would be<br>
wonderful to have a card from them.<br>
<font color="#888888"><br>
--<br>
</font><div><div></div><div class="h5">Russell Mosemann<br>
<br>
<br>
<br>
________________________________________________________<br>
Concordia University, Nebraska<br>
See <a href="http://www.cune.edu/" target="_blank">http://www.cune.edu/</a> for the latest news and events!<br>
<br>
<br>
_______________________________________________<br>
FreeSWITCH-users mailing list<br>
<a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a><br>
<a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a><br>
UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" target="_blank">http://lists.freeswitch.org/mailman/options/freeswitch-users</a><br>
<a href="http://www.freeswitch.org" target="_blank">http://www.freeswitch.org</a><br>
</div></div></blockquote></div><br><br clear="all"><br>-- <br>Anthony Minessale II<br><br>FreeSWITCH <a href="http://www.freeswitch.org/">http://www.freeswitch.org/</a><br>ClueCon <a href="http://www.cluecon.com/">http://www.cluecon.com/</a><br>
Twitter: <a href="http://twitter.com/FreeSWITCH_wire">http://twitter.com/FreeSWITCH_wire</a><br><br>AIM: anthm<br><a href="mailto:MSN%3Aanthony_minessale@hotmail.com">MSN:anthony_minessale@hotmail.com</a><br>GTALK/JABBER/<a href="mailto:PAYPAL%3Aanthony.minessale@gmail.com">PAYPAL:anthony.minessale@gmail.com</a><br>
IRC: <a href="http://irc.freenode.net">irc.freenode.net</a> #freeswitch<br><br>FreeSWITCH Developer Conference<br><a href="mailto:sip%3A888@conference.freeswitch.org">sip:888@conference.freeswitch.org</a><br><a href="http://iax:guest@conference.freeswitch.org/888">iax:guest@conference.freeswitch.org/888</a><br>
<a href="mailto:googletalk%3Aconf%2B888@conference.freeswitch.org">googletalk:conf+888@conference.freeswitch.org</a><br>pstn:+19193869900<br>