[cisco-voip] SIP Trunk for ISP's - DTMF SIP Notify

[Nick Matthews]

Software MTPs will do this.

-nick

On Tue, Jun 1, 2010 at 4:34 PM, Paul van den IJssel <pijssel at gmail.com> wrote:
> Hi Guys,
>
> Currently I'm testing a SIP Trunk with our ISP. Everything is working fine
> but I don't get the DTMF to work. This because my SCCP phones only support
> OOB DTMF. So to get it to work with SIP RFC2833 (in-band) I need an
> expensive transcoder. But now we've set the SIP Trunk to SIP Notify
> (out-band) which should work with the IP Phones OOB, but all I get is
> 'SIP/2.0 403 Forbidden'.
>
> How do I get this to work without the use of a hardware Transcoder?
>
> Best regards,
>
> Paul van den IJssel
> Digacom
> _______________________________________________
> cisco-voip mailing list
> cisco-voip at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-voip
>
>