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<p class=MsoNormal>I am doing a redesign of an existing voice network. We
currently have two 3845’s. One 3845 has three MFT-2 port PRI’s.
Four of the PRI’s are used for inbound and outbound calls. One port on
the third MFT is used as a TIE line between a Nortel box. We also have the
other 3845 with two MFT-2 ports. Four of those PRI’s are used for inbound
and outbound calling. The TDM gateways are separated like this for business /
political purposes which I can get around if I need to and consolidate all of
the TDM cards into one 3845 by purchasing some Network Modules. The other
design problem is they are currently sending a substantial number of calls over
the WAN to the central UCCX servers as G.711. This is causing some network
congestion problems at their remote facilities. At any given time I would
estimate about 60 concurrent calls coming in as G.711 over the wan to UCCX. I
now want to change the codec to G.729 over the WAN so I need to add some
transcoding resources. They also have their conference bridges setup to use
Call Manager as G.711 so I want to move those conference into the router as
well. I know how to do all this and the configuration is not a problem, I am
more concerned with what would be the best use of the routers. Should I leave
the TDM interfaces split like this. Purchase two fully populated NM-HDV2 with
four PVDM2-64. Place one NM module in each router and split the CFB’s /
Transocding. Should I consolidate the TDM interfaces in one router and configure
the other router with two NM’s to only do the CFB and Transcoding? Or should
I try to consolidate everything and place all 9 PRI’s and the extra NM’s
for CFB and transcoding in one router. I have the extra physical routers so I
think I should use them. <o:p></o:p></p>
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