[cisco-voip] T38 SG3 Tone Suppression

[Nick Matthews]

This should be a DSP-level process and not a MGCP stack level process, so I
would expect it to work regardless of exactly how MGCP is configured.

-nick

On Mon, Aug 23, 2010 at 9:08 AM, <James.Brown at barclayswealth.com> wrote:

> All,
>
> Does anyone know whether T.38 in CA-Controlled MGCP mode supports SuperG3
> tone suppression please?
>
> The excellent T38 configuration guide discusses SG3 suppression, but it
> only mentions the "mgcp fax-relay sg3-to-g3" command and it doesn't explain
> whether this would work in CA-Controlled mode.
>
>
> http://www.cisco.com/en/US/docs/ios/voice/fax/configuration/guide/vf_cfg_t38_fxrly.pdf
>
> What happens if you connect a fax to a T.38 MGCP gateway in CA-Controlled
> (fxr-package) mode and attempt to send at SuperG3 (V.34) speeds prior to IOS
> 15?
>
> Regards
>
> James.
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