[cisco-voip] SIP, g711 and PVDMs for transcoding

[Nick Matthews]

You can prevent using MTP in versions earlier than 8.6 as long as
you're doing SIP-SIP through cube through the early-offer forced
(DO-EO conversion).  Though, early offer without MTP is certainly
nice.

-nick

On Thu, Sep 29, 2011 at 1:15 PM, Dennis Heim <Dennis.Heim at cdw.com> wrote:
> Depending on your ccm version, if you are 8.6(X) and later you can avoid
> needing to allocate MTP for early offer. The only media resources that you
> would need would be for transcoding (711/729). If you change your unity and
> other apps to use the codec used by the majority of devices, you can
> definitely cut down your DSP requirements.
>
>
>
> Dennis Heim
> Network Voice Engineer
> CDW  Advanced Technology Services
> 10610 9th Place
> Bellevue, WA 98004
>
> 317.569.4255 Single Number Reach
> 317.569.4201 Fax
> dennis.heim at cdw.com
> cdw.com/content/solutions/unified-communications/
>
>
>
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Paul Wozney
> Sent: Thursday, September 29, 2011 9:50 AM
> To: Cisco VoIP List
> Subject: [cisco-voip] SIP, g711 and PVDMs for transcoding
>
>
>
> Hello Cisco VoIP List,
>
>
>
> I have a client who is interested in SIP trunking, and I'd like to verify if
> we need to allocate PVDMs for this the same way we do with PRI channels.  It
> seems to me that we might be able to get away without them if we're using
> the same codec internally as the carrier (g711).
>
>
>
> ---
>
> Paul Wozney
> Network Consultant
> phone: +1 604-629-9975
>
> toll free: +1 866-748-0516
> email: paul at wozney.ca
> web: http://wozney.ca
>
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