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<TITLE>Re: [cisco-voip] PVDM</TITLE>
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<FONT SIZE="4"><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:14.0px'><B>What kind of voice ports do you have on the router? Analog POTS or PRI or...<BR>
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If you don’t have enough PVDM capacity, you can’t configure all of the channels on the PRI or all of the POTS lines. There is a DSP/PVDM calculator on Cisco’s website that will tell you how much you need for a particular configuration. Based on your symptom description, I’m not sure that this is your problem but never say never.<BR>
</B></SPAN></FONT></FONT><FONT FACE="Verdana, Helvetica, Arial"><B><FONT SIZE="2"><SPAN STYLE='font-size:10.0px'>-- <BR>
Jim Reed<BR>
Technology Wrangler<BR>
Swift Communications, Inc.<BR>
970-683-5646 (Direct)<BR>
775-772-7666 (Cell)<BR>
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</SPAN></FONT><FONT SIZE="1"><SPAN STYLE='font-size:9.0px'><I>“Not only is it not right.<BR>
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On 12/4/09 11:37 AM, "Kim, Hyoun S" <Hyoun.Kim@chartercom.com> wrote:<BR>
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</SPAN></FONT><BLOCKQUOTE><FONT FACE="Verdana, Helvetica, Arial"><SPAN STYLE='font-size:12.0px'>What specifically happens (or can go wrong) when you do not have enough DSPs on your PVDM module for a VoIP deployment? Like for instance, if you have about 24 phones + 1 VG204 and you used a C2811 router with (1) PVDM2-16 and (1) VWIC2-1MFT-T1/E1.<BR>
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I’m curious to know if the PVDM2-16 is my problem. I converted an office earlier this week to Cisco VoIP with the above equipment. However, I’m finding that while outbound calls can be made (not sure how many simultaneously), I’m having a problem of people dialing in and getting a message saying that the call could not be completed or is disconnected. I did not change any of the phone numbers and the number pool is the same. The problem is random. It occurs on some phones, then goes away.<BR>
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Any ideas?<BR>
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</SPAN><FONT SIZE="4"><SPAN STYLE='font-size:13.0px'><B>Hyoun Kim •</B></SPAN></FONT><B><SPAN STYLE='font-size:12.0px'> </SPAN></B><FONT SIZE="2"><SPAN STYLE='font-size:10.0px'>Network Administrator I – East Division
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