[cisco-voip] Can't use Telstralink conferencing service - DTMF tone duration?

[Jonathan Charles]

The problem is that you said it works calling other sites.
This would indicate a far-end issue.



Jonathan

On 12/20/06, Robert Kulagowski <bob at smalltime.com> wrote:
>
> Jonathan Charles wrote:
> > Nothing interesting there.
> >
> > Okay, so you have IP phones that are setup to use G.729 over the WAN...
> > I presume they use G.711 over the LAN, so why don't we disable
> > dtmf-relay, use in-band and see what happens.
> >
> > Realistically, my thinking is that there is some incompatibility between
> > PRIs and the site you are calling...
>
> Yes, the phone are using G.711u when sending a call out (pressing ?
> twice when listening to the nice young man from Telstralink telling me
> to enter my PIN.)
>
> I'm opening a TAC case to see what they think about it.
>
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