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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'>Thanks. I will try to ping my phones, to
see what's the situation.<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 lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span lang=EN-US 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>David Gomillion<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, May 22, 2007 3:22
PM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">Asterisk
Users Mailing List - Non-Commercial Discussion</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [asterisk-users] SIP
& Echo</span></font><span lang=EN-US><o:p></o:p></span></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
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<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>We experience echo too
from time to time. It's usually headset-related, but not always. I ran a
persistent ping on one of the phones, and we diagnosed a wiring problem with
it. Other phones needed a new handset. The problem is that these problems need
to be fixed on the phone NOT hearing echo. <o:p></o:p></span></font></p>
<div>
<p class=MsoNormal><span class=gmailquote><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>On 5/22/07, <b><span style='font-weight:bold'>Asterisk</span></b>
<<a href="mailto:asterisk@abraxas.si">asterisk@abraxas.si</a>> wrote:</span></font></span><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>How could I check if bandwith or/and latency is causing it?<br>
<br>
If I do SIP show peers it says OK (13 ms) for all peers. I guess there is a way
to gather more detailed info on SIP calls and latency?<br>
<br>
* box is connected to the 1Gb switch with 1Gb connection, and clients have
100Gb/s speed. CPU is 90% free in peak time, and there are 34 SIP hardphones
connected to the * box. <br>
<br>
Thanks, Alex<br>
<br>
-----Original Message-----<br>
From: <a href="mailto:asterisk-users-bounces@lists.digium.com">asterisk-users-bounces@lists.digium.com</a>
[mailto:<a href="mailto:asterisk-users-bounces@lists.digium.com">
asterisk-users-bounces@lists.digium.com</a>] On Behalf Of Alexandre VERNIOL<br>
Sent: Tuesday, May 22, 2007 2:18 PM<br>
To: <st1:PersonName w:st="on">Asterisk Users Mailing List - Non-Commercial
Discussion</st1:PersonName><br>
Subject: Re: [asterisk-users] SIP & Echo <br>
<br>
Hi,<br>
<br>
Could be bandwith or/and latency ... Many causes...<br>
<br>
<br>
Alex<br>
<br>
Asterisk a écrit :<br>
> Hello all,<br>
><br>
> One of our clients reported that they are experiencing echo in SIP calls<br>
> (even on internal ones). What do you think could be causing echo in<br>
> internal SIP calls?<br>
><br>
> We're using Polycom telephones, do you think they could be causing it?<br>
><br>
> Thanks,<br>
> Alex <br>
><br>
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