You can contact Grandstream for new firmware release, it fix the DTMF
problem, it inband and outofband.
--- Michael Bielicki <Michael.Bielicki@Global-Gateway.net>
wrote:> I am using a grandstream phone with g729 and alaw odecs and in both
> modes I
> cannot seem to pass dtmf's, neither inband nor out of band, neither
> wthrough
> a lcoal server nor through a natted connection. Am I missing
> something ?
>
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====
William Zhang