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<div class=Section1>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>According to what I am told by the MS Rep
it will do “pass through” or something similar so you don’t
need the mediation server anymore. If you have remote sites that have a mix of
the MOC client and IP phones you do not need a mediation server local to the
site anymore and the media is direct between the end points. <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>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<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'> Matt Slaga (<st1:place
w:st="on"><st1:country-region w:st="on">US</st1:country-region></st1:place>)
[mailto:Matt.Slaga@us.didata.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, November 01, 2010
9:45 AM<br>
<b><span style='font-weight:bold'>To:</span></b> Bill; 'Ahmed Elnagar';
'Sechaba Mokoena'<br>
<b><span style='font-weight:bold'>Cc:</span></b> cisco-voip@puck.nether.net<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [cisco-voip] Outbound
Calls from OCS to Cisco IP Phone</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'>Not with OCS. The
media path will never be directly from the IP phone to a MOC client
directly. It will always traverse the Mediation Server. What it
will do, however, is in certain cases G711 will pass through
un-transcoded. You can see this in mediation server traces and client
traces.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'><o:p> </o:p></span></font></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<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'> Bill
[mailto:bill@hitechconnection.net] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, November 01, 2010
10:38 AM<br>
<b><span style='font-weight:bold'>To:</span></b> Matt Slaga (US); 'Ahmed
Elnagar'; 'Sechaba Mokoena'<br>
<b><span style='font-weight:bold'>Cc:</span></b> cisco-voip@puck.nether.net<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [cisco-voip] Outbound
Calls from OCS to Cisco IP Phone<o:p></o:p></span></font></p>
</div>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><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'>Yes but I don’t think the voice
terminates on the mediation server anymore. The RTP G.711 call is directly
between the MOC client and the Cisco IP phone once the call is setup. <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>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Before it was MOC RTaudio to the mediation
server and G.711 IP phone to the mediation server. <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>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center>
</span></font></div>
<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'> Matt Slaga (<st1:country-region
w:st="on"><st1:place w:st="on">US</st1:place></st1:country-region>)
[mailto:Matt.Slaga@us.didata.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, November 01, 2010
9:34 AM<br>
<b><span style='font-weight:bold'>To:</span></b> Bill; 'Ahmed Elnagar';
'Sechaba Mokoena'<br>
<b><span style='font-weight:bold'>Cc:</span></b> cisco-voip@puck.nether.net<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [cisco-voip] Outbound
Calls from OCS to Cisco IP Phone</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'>You absolutely need
a mediation server (although in Lync it is part of the front end now) to
integrate to UCM. The mediation server handles the signaling and converts
not just the codec (if necessary, it can allow G711 passthrough), but also SIP
or SIP/TLS to SIP/MTLS. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'><o:p> </o:p></span></font></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<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'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b><span
style='font-weight:bold'>On Behalf Of </span></b>Bill<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, November 01, 2010
10:18 AM<br>
<b><span style='font-weight:bold'>To:</span></b> 'Ahmed Elnagar'; 'Sechaba
Mokoena'<br>
<b><span style='font-weight:bold'>Cc:</span></b> cisco-voip@puck.nether.net<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [cisco-voip] Outbound
Calls from OCS to Cisco IP Phone<o:p></o:p></span></font></p>
</div>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><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'>It’s what the Microsoft reps told us
during our discussion on Lync / CUCM integration. <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>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center>
</span></font></div>
<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'> Ahmed Elnagar
[mailto:ahmed_elnagar@rayacorp.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, November 01, 2010
9:19 AM<br>
<b><span style='font-weight:bold'>To:</span></b> Bill; Sechaba Mokoena<br>
<b><span style='font-weight:bold'>Cc:</span></b> cisco-voip@puck.nether.net<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [cisco-voip] Outbound
Calls from OCS to Cisco IP Phone</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'>Yes it was a session
for an intro to Lync…maybe I will review the recorded session again if
you got the information from a solid source “maybe I
miss-understand something in the session”.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'><o:p> </o:p></span></font></p>
<div>
<div>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.0pt;font-family:Calibri;color:#1F497D'> </span></font><font
size=2 color="#1f497d" face=Calibri><span style='font-size:10.5pt;font-family:
Calibri;color:#1F497D'>Best Regards;<o:p></o:p></span></font></p>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.5pt;font-family:Calibri;color:#1F497D'>
Ahmed Elnagar<o:p></o:p></span></font></p>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.5pt;font-family:Calibri;color:#1F497D'>
Senior Network PS Engineer<o:p></o:p></span></font></p>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.5pt;font-family:Calibri;color:#1F497D'>
Mob: +2019-0016211<o:p></o:p></span></font></p>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.5pt;font-family:Calibri;color:#1F497D'>
CCIE#24697 (Voice)<o:p></o:p></span></font></p>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.5pt;font-family:Calibri;color:#1F497D'> <img
width=63 height=63
id="Picture_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x0020_0"
src="cid:image001.jpg@01CB79A9.BF38DD80" alt="Description: ccie_voice_large.gif"><o:p></o:p></span></font></p>
</div>
</div>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'><o:p> </o:p></span></font></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<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'> Bill
[mailto:bill@hitechconnection.net] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, November 01, 2010
4:13 PM<br>
<b><span style='font-weight:bold'>To:</span></b> Ahmed Elnagar; 'Sechaba
Mokoena'<br>
<b><span style='font-weight:bold'>Cc:</span></b> cisco-voip@puck.nether.net<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [cisco-voip] Outbound
Calls from OCS to Cisco IP Phone<o:p></o:p></span></font></p>
</div>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><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'>What version are you talking about? 2010 /
Lync can use G.711 without a mediation server. <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>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center>
</span></font></div>
<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'> Ahmed Elnagar
[mailto:ahmed_elnagar@rayacorp.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, November 01, 2010
9:14 AM<br>
<b><span style='font-weight:bold'>To:</span></b> Bill; Sechaba Mokoena<br>
<b><span style='font-weight:bold'>Cc:</span></b> cisco-voip@puck.nether.net<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [cisco-voip] Outbound
Calls from OCS to Cisco IP Phone</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'>This is new to me
really…I had the below statement from a MS consultant “their only
supported codec is RT-Audio and you need a mediation server whenever you need
to integrate OCS with the outside world!!!”<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'><o:p> </o:p></span></font></p>
<div>
<div>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.0pt;font-family:Calibri;color:#1F497D'> </span></font><font
size=2 color="#1f497d" face=Calibri><span style='font-size:10.5pt;font-family:
Calibri;color:#1F497D'>Best Regards;<o:p></o:p></span></font></p>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.5pt;font-family:Calibri;color:#1F497D'>
Ahmed Elnagar<o:p></o:p></span></font></p>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.5pt;font-family:Calibri;color:#1F497D'>
Senior Network PS Engineer<o:p></o:p></span></font></p>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.5pt;font-family:Calibri;color:#1F497D'>
Mob: +2019-0016211<o:p></o:p></span></font></p>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.5pt;font-family:Calibri;color:#1F497D'>
CCIE#24697 (Voice)<o:p></o:p></span></font></p>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.5pt;font-family:Calibri;color:#1F497D'> <img
width=63 height=63
id="Picture_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x0020_0"
src="cid:image001.jpg@01CB79A9.BF38DD80" alt="Description: ccie_voice_large.gif"><o:p></o:p></span></font></p>
</div>
</div>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'><o:p> </o:p></span></font></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<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'> Bill
[mailto:bill@hitechconnection.net] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, November 01, 2010
3:52 PM<br>
<b><span style='font-weight:bold'>To:</span></b> Ahmed Elnagar; 'Sechaba
Mokoena'<br>
<b><span style='font-weight:bold'>Cc:</span></b> cisco-voip@puck.nether.net<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [cisco-voip] Outbound
Calls from OCS to Cisco IP Phone<o:p></o:p></span></font></p>
</div>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><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'>The MOC clients can communicate using
G.711 without the need of a mediation server but you have to configure them to
do so. <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>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center>
</span></font></div>
<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'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b><span
style='font-weight:bold'>On Behalf Of </span></b>Ahmed Elnagar<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, November 01, 2010
8:42 AM<br>
<b><span style='font-weight:bold'>To:</span></b> Sechaba Mokoena<br>
<b><span style='font-weight:bold'>Cc:</span></b> cisco-voip@puck.nether.net<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [cisco-voip] Outbound
Calls from OCS to Cisco IP Phone</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'>I think you will
need a MS mediation server “as per Microsoft design” in order to
convert their codec “RT-Audio” to a codec that Cisco infrastructure
can understand.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.0pt;font-family:Calibri;color:#1F497D'> </span></font><font
size=2 color="#1f497d" face=Calibri><span style='font-size:10.5pt;font-family:
Calibri;color:#1F497D'>Best Regards;<o:p></o:p></span></font></p>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.5pt;font-family:Calibri;color:#1F497D'>
Ahmed Elnagar<o:p></o:p></span></font></p>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.5pt;font-family:Calibri;color:#1F497D'>
Senior Network PS Engineer<o:p></o:p></span></font></p>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.5pt;font-family:Calibri;color:#1F497D'>
Mob: +2019-0016211<o:p></o:p></span></font></p>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.5pt;font-family:Calibri;color:#1F497D'>
CCIE#24697 (Voice)<o:p></o:p></span></font></p>
<p class=MsoNormal style='background:white'><font size=2 color="#1f497d"
face=Calibri><span style='font-size:10.5pt;font-family:Calibri;color:#1F497D'> <img
width=63 height=63
id="Picture_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x0020_0"
src="cid:image001.jpg@01CB79A9.BF38DD80" alt="Description: ccie_voice_large.gif"><o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'><o:p> </o:p></span></font></p>
<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'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b><span
style='font-weight:bold'>On Behalf Of </span></b>Sechaba Mokoena<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, November 01, 2010
3:11 PM<br>
<b><span style='font-weight:bold'>To:</span></b> cisco-voip@puck.nether.net<br>
<b><span style='font-weight:bold'>Subject:</span></b> [cisco-voip] Outbound
Calls from OCS to Cisco IP Phone<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Hi,<br>
<br>
We're in the middle of a Microsoft OCS POC integrated with UCM 8.0. I can make
internal and external calls from OCS using UCM as my gateway, but calls are
dropped as soon as they're answered. Has anyone out there come across a similar
problem.<br>
<br>
Kind regards,<br>
<br>
Sechaba Mokoena<o:p></o:p></span></font></p>
<div>
<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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