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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'>Thanks for the clarification, it doesn’t seem best practice to run every gateway call thru the CUCMs software MTP, agree? I’m not clear why someone would have set it up that way.<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"'> Ryan Ratliff [mailto:rratliff@cisco.com] <br><b>Sent:</b> Thursday, July 08, 2010 10:08 AM<br><b>To:</b> Jason Aarons (US)<br><b>Cc:</b> cisco-voip (cisco-voip@puck.nether.net)<br><b>Subject:</b> Re: [cisco-voip] Device > Gateway > H323 > Checking Media Termination Point Required and Enable Inbound FastStart<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Inbound FastStart support does not require MTP, only outbound. <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Other than that MTPs don't transcode, transcoders so. As Nicholas pointed out software MTPs only support one codec (the IOS ones can be configured to use various codecs, the CUCM software MTPs only support g.711).<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Most people use g.729 IOS software transcoders when they have a trunk that requires early media (either via SIP or H.323 faststart) with g.729 as a transcoder won't support a non-g.711 call leg.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'>-Ryan<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Jul 8, 2010, at 12:00 AM, Jason Aarons (US) wrote:<o:p></o:p></p></div><p class=MsoNormal><br><br><span class=apple-style-span><span style='font-size:13.5pt;font-family:"Lucida Grande","serif"'><o:p></o:p></span></span></p><div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>I’m not a fan of forcing every call to “Use MTP Required” on Device > Gateway > H323 and Inbound Fast Start (which also forces MTP)</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Anyone disagree with me that best practice says you don’t use G729 as default codec and have CallManager doing Software MTP transcoding from G729 to G711 and vice<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>If you want transcoding you really should do it in hardware, eh? <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>I’m trying to figure out if someone knew what they were doing and wanted to force software transcoding at this customer…or didn’t really know what they were doing.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Lucida Grande","serif"'><o:p> </o:p></span></p></div><div class=MsoNormal align=center style='text-align:center'><span style='font-size:13.5pt;font-family:"Lucida Grande","serif"'><hr size=1 width="100%" align=center></span></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Lucida Grande","serif"'><o:p> </o:p></span></p></div><p><strong><span style='font-size:13.5pt;font-family:"Lucida Grande","serif"'>Disclaimer: This e-mail communication and any attachments may contain confidential and privileged information and is for use by the designated addressee(s) named above only. If you are not the intended addressee, you are hereby notified that you have received this communication in error and that any use or reproduction of this email or its contents is strictly prohibited and may be unlawful. If you have received this communication in error, please notify us immediately by replying to this message and deleting it from your computer. Thank you.</span></strong><span style='font-size:13.5pt;font-family:"Lucida Grande","serif"'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Lucida Grande","serif"'>_______________________________________________<br>cisco-voip mailing list<br><a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a><br><a href="https://puck.nether.net/mailman/listinfo/cisco-voip">https://puck.nether.net/mailman/listinfo/cisco-voip</a><o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>
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