[cisco-voip] a stack of VG224s vs C3945-112FXS/K9

[Nick Matthews]

I don't know of any plans to sunset the VG224.  The only difference between
the VG224 and a ISR G2 is the PVDM3 DSPs.  A 3845 and VG224 are functionally
equivalent.

Differences between the PVDM2 and PVDM3's - video support.  You'll see these
be video transcoders/MCU type resources some time in the future.  Possibly
some enhanced codec support - namely the dreaded G.729-G.729 capability, and
maybe some new codes.  Price - they are cheaper as you scale towards some of
the higher densities (PVDM3-256 and 128).

Feature wise today, between the VG224 and 3945, I would say is almost
nothing.  At least in terms of using it as a high density analog solution.

-nick

On Thu, Jan 20, 2011 at 10:30 AM, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:

> I hear ya about the SG3 support. These are strictly analog lines for
> phones, not faxes, so I'm not too worried. However, from what I recall from
> discussions on this list is that the VG224s have updated DSPs and that it's
> in the IOS that gives the SG3 support. Definitely something to think about
> for a FAX deployment.
>
> Not quite sure the 3945 bundle is a replacement for a VG224 though. It's
> 112 ports vs 24. However, if they come out with a 2901 bundle with 16 ports,
> then yes, I would think the VG224 days are numbered. With the new vic3-4fxs
> ports, this is a possibility. ;)
>
>
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Cooking with unix is easy. You just sed it and forget it.
>                               - LFJ (with apologies to Mr. Popeil)
>
>
> ------------------------------
> *From: *"Scott Voll" <svoll.voip at gmail.com>
> *To: *"Lelio Fulgenzi" <lelio at uoguelph.ca>
> *Cc: *cisco-voip at puck.nether.net
> *Sent: *Thursday, January 20, 2011 10:04:03 AM
> *Subject: *Re: [cisco-voip] a stack of VG224s vs C3945-112FXS/K9
>
>
> Are there any other features eg. Super G3 Fax that the 39xx supports that
> the VG's don't.
>
> ISR2's are NOT going anywhere any time soon.  I would be interested to know
> if Cisco came out with this package, how long it will be before the VG's get
> EoS/EoL as that seems to be Cisco's way.  Bring out a replacement, then EoX
> the old stuff.  Might be worth talking to the AM/SE about cisco's plans.  I
> would hate to put out a bunch of $$$ and then have it EoX a month
> later....... Been there, Done that.
>
> Just my 2 cents.  (and we all know how much that's worth in today's economy
> ;-)
>
> Scott
>
> On Thu, Jan 20, 2011 at 6:38 AM, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:
>
>> So I'm looking at migrating a large number of analog lines to our Cisco
>> solution. Right now, the most economical approach is a stack of VG224s,
>> however, Cisco has a (new) bundle, the C3945-112FXS/K9. The per port cost
>> is still quite a bit more (almost double) so I'm finding it difficult to
>> justify even to myself, let alone mgmt. SmartNet costs are about equal, with
>> the 3945 bundle just a bit cheaper.
>>
>> I understand that I would be managing 4.5 VG224s to every 3945 bundle, but
>> really, once these things go in, they're really just left alone.
>>
>> Some other things I've been thinking:
>>
>>    - Pro: 3945 has a slightly denser port count per RU (112/4RU vs
>>    96/4RU)
>>    - Pro: 3945 would use less uplink ports (2 per 112 vs 8 per 96)
>>    - Con: H/W issues would bring down 112 ports
>>    - Con: shelving a spare would be much more expensive
>>    - Con: configuration would be a bit more complex, different port types
>>    - Con: not known if SRST registration would behave the same way to a
>>    core 3945
>>
>> What do others think? What would you do?
>>
>> Lelio
>>
>>
>>
>> ---
>> Lelio Fulgenzi, B.A.
>> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
>> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> Cooking with unix is easy. You just sed it and forget it.
>>                               - LFJ (with apologies to Mr. Popeil)
>>
>>
>>
>> _______________________________________________
>> cisco-voip mailing list
>> cisco-voip at puck.nether.net
>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>
>>
>
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