[Freeswitch-users] inband DTMF bleeding through

[Richard Zheng]

I just use the normal one.  Let me try the spandsp one.  Thanks,


On Wed, May 22, 2013 at 2:54 PM, Michael Collins <msc at freeswitch.org> wrote:

> Are you using the spandsp dtmf detector by any chance? If not, try it. I
> think it works a bit better. Look on the dialplan apps section of the wiki
> for the spands_dtmf* commands.
>
> -MC
>
>
> On Wed, May 22, 2013 at 4:51 PM, Richard Zheng <rzheng at gmail.com> wrote:
>
>> Any resolution on this one?  I have the same issue.  DTMF coming from a
>> cell phone, say 123, is sometimes repeated, e.g. 11233 when forwarded to an
>> outbound call.  It is not consistent though.
>>
>>
>> On Fri, Mar 22, 2013 at 7:16 AM, Matt Broad <matt at inveroak.com> wrote:
>>
>>> Hi Trever,
>>>
>>> I don't think so, it seems that that jira is for a non-SIP based setup.
>>>
>>> My "issue" is that when calling a PSTN number from a mobile/landline
>>> phone, which gets delivered by SIP to my FreeSwitch server and then routed
>>> out to another PSTN number (via the same provider). When either party
>>> presses a digit, the other end hears the tone. The tone is not the whole
>>> tone just a fraction of it, maybe half a second, but enough to tell the
>>> difference when different keys are pressed.  The key can be held for a long
>>> period, say 3 seconds, but you will only hear the "bleeding".
>>>
>>> I have drop_dtmf set to true on both channels (set and export), but I'm
>>> not sure if this would make any difference anyway as the tone is being sent
>>> out-of-band.
>>>
>>> It might also be worth noting that I don't get any duplication of tones.
>>> Pressing 123 will always receive 123 and not 112233.
>>>
>>> thanks
>>> Matt
>>>
>>>
>>> On 22 March 2013 16:54, Trever L. Adams <trever.adams at gmail.com> wrote:
>>>
>>>> On 03/12/2013 01:45 PM, Matt Broad wrote:
>>>> > Ok, so the fact that a tone can be heard, although only partially,
>>>> > would suggest inband digits are being sent too.  I'll speak to my
>>>> > carrier and see if it is something they can supress their end.
>>>> > Thanks for the help and the tips on debugging :)
>>>> >
>>>> > Thanks
>>>> > Matt
>>>> Matt, by chance is this what you are describing:
>>>>
>>>> http://jira.freeswitch.org/browse/FS-4904
>>>>
>>>> Trever
>>>>
>>>>
>>>
>>>
>>> --
>>> Thanks
>>> Matt
>>>
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>>
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>
>
> --
> Michael S Collins
> Twitter: @mercutioviz
> http://www.FreeSWITCH.org
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>
>
> _________________________________________________________________________
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> http://www.freeswitchsolutions.com
>
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