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<p class=MsoNormal>Every PRI add 24, <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'>provided that it is a T1 for E1 it will be 32 <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_x0020_0" src="cid:image001.jpg@01CB553C.251C6E10"
alt="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>
<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>Nick Matthews<br>
<b>Sent:</b> Wednesday, September 15, 2010 2:36 PM<br>
<b>To:</b> Bill<br>
<b>Cc:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> Re: [cisco-voip] DSP Calculation<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'>Some rules you can use for
quick and dirty:<br>
<br>
Every PRI add 24, every FXO/FXS add 1.<br>
<br>
If you're using G729, double that number.<br>
<br>
If you're using conferencing, add 16 per conferencing session.<br>
<br>
If you're using transcoding, you have to know what percentage of your calls are
going to be transcoded. 1 for G711, 2 for G729 per each session.<br>
<br>
This will be a little bit above what you need since the actual ratio for G729
is closer to 1.7-1.8.<br>
<br>
<br>
For PVDM3, conferencing is eased up and you can add 1 channel per member of the
conference. Ex: 2 8 party conferences is 16.<br>
<br>
To get something more concrete, use the handy-dandy DSP calculator:<br>
<a href="http://www.cisco.com/web/applicat/dsprecal/dsp_calc.html">http://www.cisco.com/web/applicat/dsprecal/dsp_calc.html</a><br>
<br>
-nick<o:p></o:p></p>
<div>
<p class=MsoNormal>On Tue, Sep 14, 2010 at 10:53 PM, Bill <<a
href="mailto:bill@hitechconnection.net">bill@hitechconnection.net</a>>
wrote:<o:p></o:p></p>
<div>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'>If you
need to bring up PSTN interfaces such as PRI, FXO or FXS. If you need to do
hardware based conferencing or if you need to transcode one codec to the other.
</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'> </span><o:p></o:p></p>
<div>
<div class=MsoNormal align=center style='text-align:center'>
<hr size=2 width="100%" align=center>
</div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><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"'> <a
href="mailto:cisco-voip-bounces@puck.nether.net" target="_blank">cisco-voip-bounces@puck.nether.net</a>
[mailto:<a href="mailto:cisco-voip-bounces@puck.nether.net" target="_blank">cisco-voip-bounces@puck.nether.net</a>]
<b>On Behalf Of </b>Briann McDonald<br>
<b>Sent:</b> Tuesday, September 14, 2010 2:42 PM<br>
<b>To:</b> <a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br>
<b>Subject:</b> [cisco-voip] DSP Calculation</span><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>All,
<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>What
is a general rule to apply when determing DSP module needs. <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks,
<o:p></o:p></p>
</div>
</div>
</div>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt'><br>
_______________________________________________<br>
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<p class=MsoNormal><o:p> </o:p></p>
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