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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>So – are you sure it is a 108?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>When you type “lsusb” at the Linux command line do you get<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>: ID 0d8c:013c C-Media Electronics, Inc.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Ken<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> app_rpt-users-bounces@ohnosec.org [mailto:app_rpt-users-bounces@ohnosec.org] <b>On Behalf Of </b>Jim Whiteside<br><b>Sent:</b> Sunday, February 12, 2012 7:34 AM<br><b>To:</b> app_rpt-users@ohnosec.org<br><b>Subject:</b> Re: [App_rpt-users] Debugging COS<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>> Assuming COS is connected to the Volume Down pin on the CM108 then how about<br>> plugging the fob into another PC which is not running the Asterisk drivers<br>> and see if the volume control is affected when COS is asserted?<br><br>> On my PC, if I press volume down, either on the keyboard or on an unmodified<br>> USB sound fob then a volume bar pops up in the centre of the screen. It's<br>> very visible.<br><br>> Naturally, there may be a 'correct' way to do this with some sort of built-in<br>> diagnostics...<br><br>> 73,<br><br>> Andrew<br>> ZL3AME<br><br>That's a good plan.<br><br>So I take an unmodified fob, that does have volume buttons on, and plug it into a PC. 'volume down' button does indeed trigger the windows volume bar. But this fob and button don't do anything on Asterisk.<br><br>My modified fob - taking pin 48 to gnd also triggers the volume down on Windows, so that suggests it's not hardware?<br><br>Jim M0HPJ<o:p></o:p></p><div><p class=MsoNormal>On 12 February 2012 11:45, Jim Whiteside <<a href="mailto:jaydublu2002@gmail.com">jaydublu2002@gmail.com</a>> wrote:<o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>I'm still chipping away at modifying a Startech CM108 USB fob - so far I have successfully got PTT and audio out working, but I'm struggling with audio in and COS.<br><br>I've been following <a href="http://www.qsl.net/k0kn/cm108_mod.html" target="_blank">http://www.qsl.net/k0kn/cm108_mod.html</a><br><br>Can anyone advise if there's a way to determine from the Asterisk side if COS is active or not?<br><br>I've even tried manually taking the CM108 pin 48 to 0v and +5v with the iax.conf below, but I can't seem to make anything 'happen'.<br><br>My theory was, as soon as I have COS triggering Asterisk correctly, then I can look at getting the audio in working properly.<br><br>TIA<br clear=all><br>-- <br>Jim Whiteside.<br>M0HPJ<o:p></o:p></p><div style='margin-left:30.0pt'><p class=MsoNormal>[usb28233]<br>hdwtype=0 <br>rxboost=1<br>txboost=0<br>rxctcssrelax=1<br>txctcssdefault=94.8<br>rxctcssfreqs=94.8 <br>txctcssfreqs=94.8<br>;rxctcssoverride=0<br>carrierfrom=usbinvert<br>ctcssfrom=no<br>rxdemod=speaker<br>txprelim=no<br>txlimonly=no<br>txtoctype=notone<br>txmixa=composite<br>txmixb=no<br>invertptt=0<br>duplex=0<br>rxondelay=0<br>rxnoisefiltype=0<br>eeprom=0<o:p></o:p></p></div></div><p class=MsoNormal><br><br clear=all><br>-- <br>Jim Whiteside.<o:p></o:p></p></div></div></body></html>