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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Since it is sporadic, my guess would be network latency / packet
loss /jitter to ITSP. You may have lots of capacity and they may claim to have
lots of capacity, but what about the links between you and them. Who knows when/if
there is loss and latency and jitter there. Setup wireshark to grab some calls
and when someone complains about it, look at the stats for that call. It will
tell you if there is loss or latency or jitter.<o:p></o:p></span></p>
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color:#1F497D'><o:p> </o:p></span></p>
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<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"'>
asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] <b>On Behalf Of </b>Michelle
Dupuis<br>
<b>Sent:</b> Friday, February 12, 2010 4:06 PM<br>
<b>To:</b> 'Asterisk Users List'<br>
<b>Subject:</b> Re: [asterisk-users] Robotic sound sometimes<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>No, phone on LAN, through Asterisk box on LAN, through firewall,
out to fiber connection (lots of capacity there), to ITSP.</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Codec is uLaw.</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>This only happens sometimes, so I'm wondering if it's an asterisk
bug? Aastra bug? Network latency? LAN capacity, etc. Never
seen this before...</span><o:p></o:p></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><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"'> asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] <b>On Behalf Of </b>Tim Nelson<br>
<b>Sent:</b> Friday, February 12, 2010 4:34 PM<br>
<b>To:</b> Asterisk Users List<br>
<b>Subject:</b> Re: [asterisk-users] Robotic sound sometimes</span><o:p></o:p></p>
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<p class=MsoNormal><span style='color:black'>What codecs are you using? Are the
calls internal(local network) only?<br>
<br>
Tim Nelson<br>
Systems/Network Support<br>
Rockbochs Inc.<br>
(218)727-4332 x105<br>
<br>
----- "Michelle Dupuis" <support@ocg.ca> wrote: <br>
> <o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>We have inherited an installation with Ast 1.4 and Aastra
phones. The client complains that sometimes the call audio turns tinny
and robotic...I heard it and it sounds wierd.</span><span style='color:black'><o:p></o:p></span></p>
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<p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>Has anyone else experienced this? Cause? Solutions?</span><span
style='color:black'><o:p></o:p></span></p>
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<p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>Thanks,</span><span style='color:black'><o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>MD</span><span style='color:black'><o:p></o:p></span></p>
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<p class=MsoNormal><span style='color:black'><br>
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