[App_rpt-users] DTMF voice falsing

[Tim Sawyer]

Some people will false DTMF like crazy and others won't touch it. I have one guy who sounds like he's talking the PL of with every ahh and ohh. He's not falseing the PL by the way, I see his DTMF on the asterisk console.
--
Tim
:wq

On Dec 20, 2011, at 6:58 AM, Lu Vencl wrote:

> This is an interesting problem. I never hear this on any of my nodes.
> Could it be that there is too much audio driving the URI? Not sure, but does
> the URI RX level drive the DTMF detection? If so, you might be too hot..
> Might be worth trying to adjust that down as a test to see what happens?
> 
> -----Original Message-----
> From: app_rpt-users-bounces at ohnosec.org
> [mailto:app_rpt-users-bounces at ohnosec.org] On Behalf Of Tim Sawyer
> Sent: Sunday, December 18, 2011 11:25 PM
> To: Ken
> Cc: App_rpt-users at ohnosec.org
> Subject: Re: [App_rpt-users] DTMF voice falsing
> 
> I tried removing RADIO_RELAX but touch tone decoding was way too slow for my
> taste. Jim mentioned that the parameters could be adjusted to perhaps find a
> happy medium between radio_relax and phone mode. The parameters are in
> /usr/src/astsrc/asterisk/main/dsp.c under the RADIO_RELAX compiler
> directive. Not being a C programmer and knowing even less about the DSP
> routines, I couldn't make much sense of the values. But maybe others could
> check it out and explain the parameters to the rest of us. :-)
> --
> Tim
> :wq
> 
> On Dec 18, 2011, at 8:05 PM, Ken wrote:
> 
>> In my case, the DTMF commands work fine with this setting. 
>> 
>> The  only time I have trouble is when there is some multipath distortion
> ...
>> driving to the next traffic light is usually enough to fix that  ;-)
>> 
>> Ken
>> 
>>> -----Original Message-----
>>> From: Tim Sawyer [mailto:tim.sawyer at me.com]
>>> Sent: Sunday, December 18, 2011 11:02 PM
>>> To: Chris (KB2FAF)
>>> Cc: Ken; App_rpt-users at ohnosec.org
>>> Subject: Re: [App_rpt-users] DTMF voice falsing
>>> 
>>> But can you still reliably function the system?
>>> --
>>> Tim
>>> :wq
>>> 
>>> On Dec 18, 2011, at 7:12 PM, Chris(KB2FAF) wrote:
>>> 
>>>> Ken,
>>>> 
>>>> Your suggestion made a huge difference!
>>>> 
>>>> Thank you.
>>>> 
>>>> Chris - KB2FAF
>>>> 
>>>> 
>>>> On 12/18/2011 02:23 PM, Ken wrote:
>>>>> My experience always has been that the standard install is WAY too
>>>>> sensitive to DTMF false decodes.
>>>>> There may be an easier way to do this (I hope to find), but, one way
>>>>> is to remove the RADIO_RELAX compiler flag in
>>>>> /usr/src/astsrc/asterisk/menuselect.makeopts
>>>>> it should read only:
>>>>> MENUSELECT_CFLAGS=LOADABLE_MODULES
>>>>> 
>>>>> Then cd astsrc
>>>>> And
>>>>> ./configure
>>>>> Make
>>>>> Make install
>>>>> 
>>>>> There is a menu for changing compiler flags in recent releases - you
>>>>> have to make the menuselect program when you do the install (I
>>> think)
>>>>> 
>>>>> 73
>>>>> 
>>>>> Ken
>>>>> 
>>>>>> -----Original Message-----
>>>>>> From: app_rpt-users-bounces at ohnosec.org [mailto:app_rpt-users-
>>>>>> bounces at ohnosec.org] On Behalf Of Chris(KB2FAF)
>>>>>> Sent: Sunday, December 18, 2011 2:06 PM
>>>>>> To: App_rpt-users at ohnosec.org
>>>>>> Subject: [App_rpt-users] DTMF voice falsing
>>>>>> 
>>>>>> Hi,
>>>>>> 
>>>>>> I have been noticing an interesting problem.  Audio drops on my
>>>>>> repeater and link sporadically for maybe 500ms now and then as a
>>>>>> conversation is taking place.  If I watch debugging data from CLI
>>> it
>>>>>> usually coincides with DTMF being sensed in certain voices.  Is
>>>>>> there a way to increase the time it takes for the system to
>>>>>> recognize DTMF?  Or is there something else going on.
>>>>>> 
>>>>>> Thanks for any pointers...
>>>>>> 
>>>>>> Chris
>>>>>> 
>>>>>> KB2FAF
>>>>>> 
>>>>>> 
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>> 
> 
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