[Freeswitch-users] Strange DTMF Tones On Inbound Calls

[Michael Collins]

I still suspect something in FreeTDM. From Nathan's perspective that would
be "inside" FreeSWITCH since that's the TDM stack we use. I highly
recommend you open a trouble ticket with Sangoma and have each person who
is experiencing the issue put a comment on the case and offer to supply
configs, logs, and/or access that Sangoma would need to do troubleshooting.

-MC

On Fri, Apr 13, 2012 at 12:35 AM, Daniel Knaggs <
Daniel.Knaggs at realitysolutions.co.uk> wrote:

> That's very interesting, Nathan.
>
> Now that makes three of us, two using the Digium cards and one using a
> Sangoma.
>
>
> It very much looks like something FreeSwitch is doing, perhaps the DTMF
> detection is far too sensitive?  Are DTMF tones for an ISDN line inband or
> do they come in on the D-channel?
>
>
> Michael - any ideas what we can all do?
>
>
>
>
> From: Nathan Eisenberg [mailto:nathan at atlasnetworks.us]
> Sent: 13 April 2012 00:21
> To: Daniel Knaggs
> Subject: [Freeswitch-users] Strange DTMF Tones On Inbound Calls
>
> I'm having the exact issue you're describing, with the same card.
>  However, what's interesting to me is that if I fire up Asterisk instead of
> freeswitch, the phantom DTMF problem disappears entirely.
>
> So it's *something* inside Freeswitch, at least for me.  Would be
> interesting if you're able to do a similar test.
> Nathan Eisenberg
> Atlas Networks | Sr. Systems Administrator
> office: 206.577.3078  |  www.atlasnetworks.us
>  D
>
>
> Daniel Knaggs
> Software Developer
>
> Reality Solutions Ltd
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>
> Tel:    01482 373104
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> Email:  mailto:Daniel.Knaggs at realitysolutions.co.uk
> http://
>
>
>
>
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