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) < [email protected]> 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:[email protected]] *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 > [email protected] > https://puck.nether.net/mailman/listinfo/cisco-voip > >
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