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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";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></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><div><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 10:38 AM<br><b>To:</b> Matt Slaga (US); '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'>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></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";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></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"'> Matt Slaga (US) [mailto:Matt.Slaga@us.didata.com] <br><b>Sent:</b> Monday, November 01, 2010 9:34 AM<br><b>To:</b> Bill; '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</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'>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></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><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"'> cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On Behalf Of </b>Bill<br><b>Sent:</b> Monday, November 01, 2010 10:18 AM<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'>It’s what the Microsoft reps told us during our discussion on Lync / CUCM integration. <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 9:19 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'>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><div><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 width=63 height=63 id="Picture_x005f_x005f_x005f_x0020_0" src="cid:image001.jpg@01CB79B1.63FCDF40" 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><div><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><div><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 width=63 height=63 id="Picture_x005f_x005f_x005f_x005f_x005f_x005f_x005f_x0020_0" src="cid:image001.jpg@01CB79B1.63FCDF40" 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><div><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 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@01CB79B1.63FCDF40" 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><p class=MsoNormal> <o:p></o:p></p></div><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 message. <o:p></o:p></p><div><p class=MsoNormal> <o:p></o:p></p></div><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 message. <o:p></o:p></p><div><p class=MsoNormal> <o:p></o:p></p></div><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. 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