[cisco-voip] T.38 and MGCP

Justin Steinberg jsteinberg at gmail.com
Mon Feb 4 13:39:24 EST 2008


CM 4.1 doesnt support t38 with MGCP endpoints.  You will need 4.2 or 6.x for
mgcp support of t38.

If you absolutely had to stay with CM 4.1 and MGCP, you could use t38
gateway force but you would need to integrate with RightFax via T1 card
because as far as I know Rightfax doesn't support t38 negotiation via nse.

On Feb 4, 2008 12:13 PM, Craig Staffin <craig at staffin.org> wrote:

> does callmanager support T.38 in MGCP mode yet?
>
> I have a project coming up where I will need to integrate a T.38 RightFax
> server with callmanager and the clients setup is CM 4.1 and MGCP gateways
>
> Thanks for any insight
>
>
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