[Freeswitch-users] mod_avmd

Tue Jul 24 03:37:22 MSD 2012

Well posted - nicely done for a self-proclaimed n00b. For better
readability you might want to try selecting syntax highlighting, kinda like
http://pastebin.freeswitch.org/19580.

If I had to wager a guess as to what's going on I'd say <shameless_plug>you
didn't get the FreeSWITCH 'bridge book' and read chapter 7<shameless_plug>.
At first blush I'd say that your DTMFs are getting eaten by
play_and_get_digits. Maybe try playback instead? And read chapter 7 -
there's an example in there about reading digits w/ the input callback
function.

As far as the avmd stuff goes I'm not sure at this point. If I get a sec
I'll tinker with it and see if I can replicate.

-MC

On Mon, Jul 23, 2012 at 4:03 PM, BF <bfmtl at hotmail.com> wrote:

> It's my very first pastebin. I hope this is what you're expecting:
> http://pastebin.freeswitch.org/19579
>
> On Jul 23, 2012, at 6:40 PM, Michael Collins wrote:
>
> Can you pastebin the entire script?
> -MC
>
> On Mon, Jul 23, 2012 at 3:38 PM, Bernard Fluixa <fluixab at bellsouth.net>wrote:
>
>> Hello,
>>
>> I can start mod_avmd and it detects voicemail beep when calling my
>> cellphone. However, when I pickup the phone and press a key to use IVR, I
>> would like to stop mod_avmd. I copied the input callback example from
>> FreeSWITCH Wiki. My issue is that my input handler is never triggered,
>> neither when I key a DTMF nor when beep is detected.
>>
>> *1) My handler is: *
>> function onInput(s, type, obj)
>>     if (type == "dtmf") then
>>         avmd_result = 1;
>> if ( debug_mode > 0 ) then
>> print("onInput - Human detected");
>>  end
>>         return "break";
>>     end
>>     if (type == "event" ) then
>>         avmd_result = 2;
>> if ( debug_mode > 0 ) then
>> print("onInput - Voicemail detected");
>>  end
>>         avmd_result = 2;
>>         return "break";
>>     end
>> end
>>
>> *2) To start mod_avmd, play file and collect digits:*
>> * session:setInputCallback("onInput");*
>> * session:execute("avmd","start");*
>>
>> digits = session:playAndGetDigits(…….);
>>
>> *3) To stop mod_avmd:*
>> session:execute("avmd","stop");
>>
>> *4) Output when keying DTMF (*3 in this case). Input handler does not
>> kick off upon DTMF: *
>> EXECUTE sofia/external/+19543307528 avmd(start)
>> 012-07-23 18:13:28.025981 [INFO] mod_avmd.c:538 <<< AVMD v=0.073060
>> f=0.900987 1147.172790Hz sma=0.090099 sqa=0.081178 >>>
>> ...
>> 012-07-23 18:13:30.492866 [INFO] mod_avmd.c:538 <<< AVMD v=0.052551
>> f=0.764130 972.920758Hz sma=0.076413 sqa=0.058389 >>>
>> 2012-07-23 18:13:30.586854 [DEBUG] switch_rtp.c:3795 RTP RECV DTMF *:800
>> 2012-07-23 18:13:30.605660 [INFO] mod_avmd.c:538 <<< AVMD v=0.067196
>> f=0.864073 1100.171521Hz sma=0.086407 sqa=0.074662 >>>
>> …
>> 2012-07-23 18:13:30.998715 [INFO] mod_avmd.c:538 <<< AVMD v=0.030803
>> f=0.585023 744.874518Hz sma=0.058502 sqa=0.034225 >>>
>> 2012-07-23 18:13:31.085676 [DEBUG] switch_rtp.c:3795 RTP RECV DTMF 3:640
>> ...
>> 012-07-23 18:13:36.645609 [INFO] mod_avmd.c:538 <<< AVMD v=0.030380
>> f=0.580996 739.747695Hz sma=0.058100 sqa=0.033756 >>>
>>
>> *5) Output when beep is detected - Mod_avmd stops output after beep
>> detection but input handler does not kick off*
>> 2012-07-23 18:04:04.992856 [INFO] mod_avmd.c:538 <<< AVMD v=0.000048
>> f=0.812668 1034.721179Hz sma=0.811125 sqa=0.657971 >>>
>> 2012-07-23 18:04:04.992856 [INFO] mod_avmd.c:561 <<< AVMD - Beep Detected
>> >>>
>>
>> What am I missing?
>>
>> Thank you
>>
>> Bernard
>>
>>
>>
>>
>> On Jul 23, 2012, at 2:16 PM, Bernard Fluixa wrote:
>>
>> OK. I'm clear now. Thanks again.
>> On Jul 23, 2012, at 1:17 PM, Michael Collins wrote:
>>
>> Precisely.
>> -MC
>>
>> On Mon, Jul 23, 2012 at 9:59 AM, Bernard Fluixa <fluixab at bellsouth.net>wrote:
>>
>>> Michael,
>>>
>>> Thank you or your response. So it is my responsibility to do whatever
>>> needs to be done while mod_avmd attempts to detect a beep and to manually
>>> stop it after a beep as been detected or after a certain timeout. Correct?
>>>
>>> Bernard
>>>
>>>
>>>
>>>
>>> On Jul 23, 2012, at 11:59 AM, Michael Collins wrote:
>>>
>>> Bernard,
>>>
>>> Keep in mind that avmd is non-blocking, that is, it won't cause your
>>> dialplan or script to pause while it is attempting to detect the beep. Your
>>> dialplan will keep doing what it normally does, and if avmd detects a beep
>>> then it will throw an event which you catch and handle in your onInput
>>> function.
>>>
>>> -MC
>>>
>>> On Mon, Jul 23, 2012 at 6:47 AM, BF <bfmtl at hotmail.com> wrote:
>>>
>>>> Hello,
>>>>
>>>> I'm trying to use it from a Lua script. My understanding is that
>>>> mod_avmd detects beep from voicemail systems and is CPU intensive, please
>>>> correct me if I'm wrong.
>>>>
>>>> The Lua example at FreeSWITCH Wiki is
>>>> local human_detected = false;
>>>> local voicemail_detected = false;
>>>>
>>>> function onInput(session, type, obj)
>>>>     if type == "dtmf" and obj['digit'] == '1' and human_detected ==
>>>> false then
>>>>         human_detected = true;
>>>>         return "break";
>>>>     end
>>>>
>>>>     if type == "event" and voicemail_detected == false then
>>>>         voicemail_detected = true;
>>>>         return "break";
>>>>     end
>>>> end
>>>>
>>>> session:setInputCallback("onInput");
>>>> session:execute("avmd","start");
>>>> In order to implement this example, the script must wait for the beep
>>>> to be detected or not to process the case accordingly. What is no beep is
>>>> detected? How can I prevent called party to hear only silence while
>>>> potential beep detection is being executed?
>>>>
>>>> Thank you
>>>>
>>>> Bernard
>>>>
>>>> _________________________________________________________________________
>>>> Professional FreeSWITCH Consulting Services:
>>>> consulting at freeswitch.org
>>>> http://www.freeswitchsolutions.com
>>>>
>>>> 
>>>> 
>>>>
>>>> Official FreeSWITCH Sites
>>>> http://www.freeswitch.org
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>>>>
>>>> Join Us At ClueCon - Aug 7-9, 2012
>>>>
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>>>
>>>
>>>
>>> --
>>> Michael S Collins
>>> Twitter: @mercutioviz
>>> http://www.FreeSWITCH.org
>>> http://www.ClueCon.com
>>> http://www.OSTAG.org
>>>
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> 
>>> 
>>>
>>> Official FreeSWITCH Sites
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>>> http://www.cluecon.com
>>>
>>> Join Us At ClueCon - Aug 7-9, 2012
>>>
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>>>
>>>
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
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>>> http://www.freeswitchsolutions.com
>>>
>>> 
>>> 
>>>
>>> Official FreeSWITCH Sites
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>>>
>>> Join Us At ClueCon - Aug 7-9, 2012
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>>
>>
>> --
>> Michael S Collins
>> Twitter: @mercutioviz
>> http://www.FreeSWITCH.org
>> http://www.ClueCon.com
>> http://www.OSTAG.org
>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>>
>> Join Us At ClueCon - Aug 7-9, 2012
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
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>> http://www.freeswitch.org
>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>>
>> Join Us At ClueCon - Aug 7-9, 2012
>>
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>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>>
>> Join Us At ClueCon - Aug 7-9, 2012
>>
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>>
>
>
> --
> Michael S Collins
> Twitter: @mercutioviz
> http://www.FreeSWITCH.org
> http://www.ClueCon.com
> http://www.OSTAG.org
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
> Join Us At ClueCon - Aug 7-9, 2012
>
> FreeSWITCH-users mailing list
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>
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
> Join Us At ClueCon - Aug 7-9, 2012
>
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>

-- 
Michael S Collins
Twitter: @mercutioviz
http://www.FreeSWITCH.org
http://www.ClueCon.com
http://www.OSTAG.org
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