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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>You don’t state this, but the
assumption would be that your external calls are DAHDI based, so you might need
to tweak txgain in dahdi.conf.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] <b><span style='font-weight:
bold'>On Behalf Of </span></b>hin lee<br>
<b><span style='font-weight:bold'>Sent:</span></b> Friday, January 29, 2010
12:08 PM<br>
<b><span style='font-weight:bold'>To:</span></b> Asterisk Users<br>
<b><span style='font-weight:bold'>Subject:</span></b> [asterisk-users]
microphone on Polycom 550/650</span></font><o:p></o:p></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><font size=2 face="Times New Roman"><span style='font-size:
10.0pt'>I have quite a number of users complaining that when they are using
handsfree to talk over a landline, the other end can't hear them. It's
like the person is speaking 5 feet away and can barely hear their voice.
However between internal SIP calls, it's fine.<br>
<br>
What could be the problem?<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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