Pros and Cons 3845 vs 3945 router for VoIP?

Have consulting firm installing a VoIP solution end of May timeframe, their equipment list is built around 3845, one of firms quoting us price said it would be much wiser to build off the 3945 platform... just looking to poll the experts whether or not this is sage advice or the difference in the platforms in nominal.

Thanks,

Steven
rockflyAsked:
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surbabu140977Commented:
3945 are second generation routers, if I am building something afresh, would go for the newest, else a running platform with 3845 does not need an SOS upgrade to 3945......

Both are in the same price range, I guess.

In the next few yrs, will be having subsequent generations....... :), so not really a sage, just moving on with newer aspects......

Best,
lrmooreCommented:
The performance of the platforms is a generational change. 3945 is superior to 3845. If I was building a new system today that is going to last me 5-7 years, why would I not insist on the newest/best that today has to offer? The 3945 also supports the new DSP processors that supports both video and voice. 3845 only supports voice DSP.

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rockflyAuthor Commented:
Incomplete details on router
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