[cisco-voip] CUBE on 2821 Sip Trunking GigE not w/ PRI DSP Card?

[Nick Matthews]

Software is when you can afford the router to use software resources,
and hardware is when you can't.  Other than that there are no other
design decisions on hardware and software, as long as there is not a
bug specific to one or the other.



-nick

On Tue, Jun 30, 2009 at 7:55 AM, Jason Aarons
(US)<jason.aarons at us.didata.com> wrote:
> While your CUBE may not need DSPs, wouldn't the answer be MTP resources either via software/hardware depends on DTMF methods used and endpoint support?
>
> -----Original Message-----
> From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Nick Matthews
> Sent: Tuesday, June 30, 2009 12:06 AM
> To: Gary H
> Cc: cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] CUBE on 2821 Sip Trunking GigE not w/ PRI DSP Card?
>
> Hi Gary,
>
> For CUBE (IPIPGW), no DSPs are needed.
>
> If you wanted to do hardware MTP or transcoding you would need DSPs
> somewhere in your network, and they could be on the router if you
> would like.
>
> DSPs are needed to create or modify RTP packets.  In this case they
> simply pass through the box.
>
>
> -nick
>
> On Mon, Jun 29, 2009 at 4:37 PM, Gary H<ciscovoiper at gmail.com> wrote:
>> Does the Cisco 2821 need the DSP card in addition to proper IOS***  the if
>> it is only doing SIP TRUNKING via ethernet interfaces (not pri)  with IP PBX
>> such as Interactive Intelligence?
>> ***  (c2800nm-adventerprisek9-mz.124-24.T1.bin
>> or c2800nm-adventerprisek9_ivs-mz.124-24.T1.bin)
>> -Gary
>> _______________________________________________
>> cisco-voip mailing list
>> cisco-voip at puck.nether.net
>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>
>>
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