Yes it is separate clocking domains on the ISR4ks. So one card per provider with its own DSPs. <div><br></div><div>Andrew</div><div><br><br>On Thursday, June 11, 2015, Brian Meade <<a href="mailto:bmeade90@vt.edu">bmeade90@vt.edu</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I'm pretty sure you do get the separate clocking domains on the 4400 series if you use the slots on the PRI cards.</div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jun 11, 2015 at 12:18 PM, Jason Aarons (AM) <span dir="ltr"><<a href="javascript:_e(%7B%7D,'cvml','jason.aarons@dimensiondata.com');" target="_blank">jason.aarons@dimensiondata.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span style="color:#1f497d">Not sure about 4351 architecture but the ISR series had a single PLL (Phased Lock Loop) and the DSPs synced to a single source. The only place this really caused problems was fax/modems. Workaround would be
1 box per carrier for PRIs.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d">Ask your Partner/Cisco AM/SE do some research on the 4351 architecture.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b>From:</b> cisco-voip [mailto:<a href="javascript:_e(%7B%7D,'cvml','cisco-voip-bounces@puck.nether.net');" target="_blank">cisco-voip-bounces@puck.nether.net</a>]
<b>On Behalf Of </b>Mike Olivere<br>
<b>Sent:</b> Thursday, June 11, 2015 9:38 AM<br>
<b>To:</b> 'Cisco VoIP Group'<br>
<b>Subject:</b> [cisco-voip] 4000 series ISR & DSP<u></u><u></u></p>
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<p class="MsoNormal">I saw a conversation few weeks back where there was a discussion on mixing DSPs from the PRI cards and the motherboard. I have a scenario where a customer wants to use a 4351 to terminate 3 voice T1's (1 PRI & 2 channelized ) along with
SIP from a local carrier.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">From what I understand the 1 PRI is from one carrier and the 2 channelized T1s are from another. Do I need a (1) port T1 card and (2) port card each with a separate DSP so I can have individual clocking domains? or can I put a 4 port card
in with (1) 128 channel DSP and still have individual clocking domains? Then I need a DSP on the motherboard to support CUCM / CUBE functions, but I can't pull from the T1 cards to satisfy any xcode or conf resources is that correct?<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Thanks for the help<u></u><u></u></p>
<p class="MsoNormal">Mike<u></u><u></u></p>
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<span style="color:white">itevomcid</span> <u></u><u></u></span></p>
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