[cisco-voip] 4000 series ISR & DSP

[Brian Meade]

I'm pretty sure you do get the separate clocking domains on the 4400 series
if you use the slots on the PRI cards.

On Thu, Jun 11, 2015 at 12:18 PM, Jason Aarons (AM) <
jason.aarons at dimensiondata.com> wrote:

>  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.
>
>
>
> Ask your Partner/Cisco AM/SE do some research on the 4351 architecture.
>
>
>
> *From:* cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] *On Behalf
> Of *Mike Olivere
> *Sent:* Thursday, June 11, 2015 9:38 AM
> *To:* 'Cisco VoIP Group'
> *Subject:* [cisco-voip] 4000 series ISR & DSP
>
>
>
>
>
> 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.
>
>
>
> 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?
>
>
>
> Thanks for the help
>
> Mike
>
>
>
>
>
>
>
>
>
> itevomcid
>
> _______________________________________________
> cisco-voip mailing list
> cisco-voip at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-voip
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://puck.nether.net/pipermail/cisco-voip/attachments/20150611/4e5c0b4c/attachment.html>