Sounds like the i4l dtmf problem. Assuming you are using i4l, the kernel
dtmf detection routines are poor and quite frequently misinterpret speech
as dtmf tones. You need to patch asterisk to handle dtmf and i4l not to
detect dtmf (or silence). There are a few posts on this list about fixing
this issue.
Iain
--On Thursday, February 27, 2003 12:06 pm +0100 Marian Danisek
<majo at sunteq.sk> wrote:
> hello,
>
> when call is made via asterisk from isdn line to the snom sip phones and
> caller on isdn line is speaking loudly to the microfone, people on the
> sip phones didnt hear voice but tones, like dtmf.
> how can i firuge out this problem ? can echo cancel algorithm ?
>
> best regards
>
> Marian
>
>
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