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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">OCS/Lync always needs a mediation server for PSTN connectivity. With Lync 2010 if you implement media bypass (use G711 directly to client) you still need a
mediation server for call signaling. If you are getting disconnects you should run the Logger tool and look at the SIP messages traversing between UCM and the mediation server. Hopefully this helps.<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"><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"><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""> cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Buchanan, James<br>
<b>Sent:</b> Monday, November 29, 2010 10:18 AM<br>
<b>To:</b> Ahmed Maher; 'Ahmed Elnagar'; 'Bill'; 'Sechaba Mokoena'<br>
<b>Cc:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] Outbound Calls from OCS to Cisco IP Phone<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a href="http://nathanwinters.co.uk/2010/09/28/can-lync-send-audiomedia-direct-to-the-pstn-using-g-711/">http://nathanwinters.co.uk/2010/09/28/can-lync-send-audiomedia-direct-to-the-pstn-using-g-711/</a>
is an article I have found on this subject re: the need for the mediation server.
<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">Thanks,<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>
<p class="MsoNormal"><b><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7F7F7F">James Buchanan
</span></b><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7E7E7E">|</span><b><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7F7F7F"> Technology Manager, UC
</span></b><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7E7E7E">|</span><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7F7F7F">
<b>South Region </b></span><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7E7E7E">|</span><b><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7F7F7F"> Presidio Networked Solutions
<br>
12 Cadillac Dr, Suite 130, Brentwood, TN 37027 </span></b><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7E7E7E">|</span><b><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7F7F7F">
</span></b><b><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7E7E7E"><a href="mailto:jbuchanan@ctiusa.com">jbuchanan@presidio.com</a><br>
</span></b><b><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7F7F7F">D: 615-866-5729</span></b><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7F7F7F">
</span><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7E7E7E">|
<b>F:</b> </span><b><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7F7F7F">615-866-5781</span></b><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7F7F7F"> |
</span><b><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7E7E7E"><a href="http://www.presidio.com/">www.presidio.com</a></span></b><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#1F497D">
<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:7.0pt;font-family:"Verdana","sans-serif";color:#7F7F7F">CCIE #25863, Voice</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";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""> cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Ahmed Maher<br>
<b>Sent:</b> Monday, November 29, 2010 11:00 AM<br>
<b>To:</b> 'Ahmed Elnagar'; 'Bill'; 'Sechaba Mokoena'<br>
<b>Cc:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] Outbound Calls from OCS to Cisco IP Phone<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Do u have MTP Checked in the SIP Trunk and what is the preferred codec for MTP?<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>
<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">Best Regards,<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">
<img border="0" width="112" height="49" id="Picture_x0020_1" src="cid:image001.jpg@01CB8FAF.56C019F0" alt="Connect Logo copy"><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"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040"> Ahmed Maher</span></b><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#595959"><o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#595959">Networking Team Leader
</span><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#0D5F85">CONNECT Professional Services</span></b><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#A6A6A6">
</span><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#404040">CCIE #23844</span></b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#A6A6A6">
<b> </b>Bldg. 1A Maadi Star Towers, Cornish El Maadi,<o:p></o:p></span></p>
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</v:shapetype><v:shape id="Picture_x0020_6" o:spid="_x0000_s1027" type="#_x0000_t75" alt="specialist_sm" style='position:absolute;left:0;text-align:left;margin-left:49.65pt;margin-top:1.55pt;width:49.65pt;height:49.65pt;z-index:-251658240;visibility:visible;mso-wrap-style:square;mso-wrap-distance-left:9pt;mso-wrap-distance-top:0;mso-wrap-distance-right:9pt;mso-wrap-distance-bottom:0;mso-position-horizontal:absolute;mso-position-horizontal-relative:text;mso-position-vertical:absolute;mso-position-vertical-relative:text'>
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Cairo, Egypt<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#A6A6A6"> Phone:
<b>(+202) 25 27 09 30</b> Ext.: 113<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#A6A6A6"> Fax:
<b>(+202) 25 26 54 85</b><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#A6A6A6"> Mobile:
<b>(+2016) 665 1150</b><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#A6A6A6"> Email:
</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a href="mailto:ahmed.maher@connectps.com"><span style="font-size:10.0pt">ahmed.maher@connectps.com</span></a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#A6A6A6"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#A6A6A6"> Website:
<a href="http://www.connectps.com/">www.connectps.com</a></span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#595959"><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"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";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""> cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Ahmed Elnagar<br>
<b>Sent:</b> Monday, November 01, 2010 4:19 PM<br>
<b>To:</b> Bill; Sechaba Mokoena<br>
<b>Cc:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] Outbound Calls from OCS to Cisco IP Phone<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";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></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<div>
<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D">Best Regards;<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> Ahmed Elnagar<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> Senior Network PS Engineer<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> Mob: +2019-0016211<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> CCIE#24697 (Voice)<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> <img border="0" width="63" height="63" id="Picture_x0020_0" src="cid:image007.jpg@01CB8FAF.56C019F0" alt="Description: ccie_voice_large.gif"><o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<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""> Bill [mailto:bill@hitechconnection.net]
<br>
<b>Sent:</b> Monday, November 01, 2010 4:13 PM<br>
<b>To:</b> Ahmed Elnagar; 'Sechaba Mokoena'<br>
<b>Cc:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> RE: [cisco-voip] Outbound Calls from OCS to Cisco IP Phone<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:navy">What version are you talking about? 2010 / Lync can use G.711 without a mediation server.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:navy"><o:p> </o:p></span></p>
<div>
<div class="MsoNormal" align="center" style="text-align:center">
<hr size="2" width="100%" align="center">
</div>
<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""> Ahmed Elnagar [mailto:ahmed_elnagar@rayacorp.com]
<br>
<b>Sent:</b> Monday, November 01, 2010 9:14 AM<br>
<b>To:</b> Bill; Sechaba Mokoena<br>
<b>Cc:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> RE: [cisco-voip] Outbound Calls from OCS to Cisco IP Phone</span><o:p></o:p></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";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></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D">Best Regards;<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> Ahmed Elnagar<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> Senior Network PS Engineer<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> Mob: +2019-0016211<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> CCIE#24697 (Voice)<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> <img border="0" width="63" height="63" id="Picture_x005f_x0020_0" src="cid:image007.jpg@01CB8FAF.56C019F0" alt="Description: ccie_voice_large.gif"><o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<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""> Bill [mailto:bill@hitechconnection.net]
<br>
<b>Sent:</b> Monday, November 01, 2010 3:52 PM<br>
<b>To:</b> Ahmed Elnagar; 'Sechaba Mokoena'<br>
<b>Cc:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> RE: [cisco-voip] Outbound Calls from OCS to Cisco IP Phone<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";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></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:navy"><o:p> </o:p></span></p>
<div>
<div class="MsoNormal" align="center" style="text-align:center">
<hr size="2" width="100%" align="center">
</div>
<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""> cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Ahmed Elnagar<br>
<b>Sent:</b> Monday, November 01, 2010 8:42 AM<br>
<b>To:</b> Sechaba Mokoena<br>
<b>Cc:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] Outbound Calls from OCS to Cisco IP Phone</span><o:p></o:p></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";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></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D">Best Regards;<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> Ahmed Elnagar<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> Senior Network PS Engineer<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> Mob: +2019-0016211<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> CCIE#24697 (Voice)<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D"> <img border="0" width="63" height="63" id="Picture_x005f_x005f_x005f_x0020_0" src="cid:image007.jpg@01CB8FAF.56C019F0" alt="Description: ccie_voice_large.gif"><o:p></o:p></span></p>
</div>
<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"><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""> cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Sechaba Mokoena<br>
<b>Sent:</b> Monday, November 01, 2010 3:11 PM<br>
<b>To:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> [cisco-voip] Outbound Calls from OCS to Cisco IP Phone<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">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></p>
<div>
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<p class="MsoNormal">Disclaimer: NOTICE The information contained in this message is confidential and is intended for the addressee(s) only. If you have received this message in error or there are any problems please notify the originator immediately. The unauthorized
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<p class="MsoNormal">Disclaimer: NOTICE The information contained in this message is confidential and is intended for the addressee(s) only. If you have received this message in error or there are any problems please notify the originator immediately. The unauthorized
use, disclosure, copying or alteration of this message is strictly forbidden. Raya will not be liable for direct, special, indirect or consequential damages arising from alteration of the contents of this message by a third party or as a result of any malicious
code or virus being passed on. Views expressed in this communication are not necessarily those of Raya.If you have received this message in error, please notify the sender immediately by email, facsimile or telephone and return and/or destroy the original
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