[Freeswitch-users] Need a help with start_dtmf

Yigal Rachilevsky yigalr01 at gmail.com
Wed Feb 19 21:29:26 MSK 2014


Mi provider send both 2833 and inband
In current state  Freeswitch don't recognize inband


On Wed, Feb 19, 2014 at 8:19 PM, Michael Jerris <mike at jerris.com> wrote:

> if your provider is sending 2833, then you never need to use start_dtmf,
> using it will only cause double detection.
>
> On Feb 19, 2014, at 12:50 PM, Yigal Rachilevsky <yigalr01 at gmail.com>
> wrote:
>
>
> Hello ! And thank you for response
> My provider support and send me both RFC and In-band ....
> Where I need to use this parameters ? In which file ?
> I am new for freeswitch :)
>
> my dialplan.xml as shown in my post is right place ?
>
>
>
>
> On Wed, Feb 19, 2014 at 5:36 PM, Brian West <brian at freeswitch.org> wrote:
>
>> I highly suspect you receive phone calls from providers that don’t
>> support RFC2833, fun thing is some providers do send 2833 but never say
>> telephony-event in the SDP on the invite… which is silly.  If you look at
>> the default dial plan in FreeSWITCH you’ll see this:
>>
>>       <condition field="${switch_r_sdp}"
>> expression="a=rtpmap:(\d+)\stelephone-event/8000" break="never">
>>         <action application="set" data="rtp_payload_number=$1"/>
>>         <anti-action application="start_dtmf"/>
>>       </condition>
>>
>> This will look at the SDP and toggle on start_dtmf if no telephony-event
>> is present in the inbound invite.
>>
>> --
>> Brian West
>> brian at freeswitch.org
>> FreeSWITCH Solutions, LLC
>> PO BOX 2531
>> Brookfield, WI 53008-2531
>> Twitter: @FreeSWITCH , @briankwest
>> http://www.freeswitchbook.com
>> http://www.freeswitchcookbook.com
>>
>> T: +1.918.420.9001  |  F: +1.918.420.9002  |  M: +1.918.424.WEST
>> iNUM: +883 5100 1420 9001
>> ISN: 410*543
>> Skype:briankwest
>> PGP Key: http://www.bkw.org/key.txt (AB93356707C76CED)
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> On Feb 19, 2014, at 1:53 AM, Yigal Rachilevsky <yigalr01 at gmail.com>
>> wrote:
>>
>> > Hello !
>> >
>> > I am a new in Freeswitch..
>> > I need a help with start_dtmf parameter
>> >
>> > We have IVR system (Telephone Reporting System)
>> > Some times in incoming calls Freeswitch misses some key presses (DTMF)
>> > I guess that the problem is the detection of DTMF...
>> > I use in (external.xml)
>> > <param name="dtmf-type" value="rfc2833"/>
>> >
>> > Where I need to add start_dtmf parameter for detecting in-band DTMF ?
>> > We are using  dialplan.xml file located in root of conf folder
>> > <?xml version="1.0" encoding="utf-8"?>
>> > <include>
>> >   <context name="public">
>> >   <extension name="SYFreeSwitch">
>> >   <condition field="destination_number" expression=".*">
>> > <action application="start_dtmf" />
>> >   <action application="managed" data="SYFreeSwitch"/>
>> >   </condition>
>> >   </extension>
>> >   </context>
>> > </include>
>> >
>> > It's right place for it ?
>> >
>> >
>> > Thank you in advance,
>> >
>> > Yigal
>> >
>> _________________________________________________________________________
>> > 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
>> >
>> > FreeSWITCH-users mailing list
>> > FreeSWITCH-users at lists.freeswitch.org
>> > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
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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
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>>
>>
>
>
> --
>
> * * * * * * * * * * * * * * * * * * * * * *
> *  Yigal Rachilevsky
> *  Tel:   048475400, 037555100
> *  Fax:  048475429
> *  Email: yigalr01 at gmail.com
> * * * * * * * * * * * * * * * * * * * * * *
>  _________________________________________________________________________
> 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
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> 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
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>
>


-- 

* * * * * * * * * * * * * * * * * * * * * *
*  Yigal Rachilevsky
*  Tel:   048475400, 037555100
*  Fax:  048475429
*  Email: yigalr01 at gmail.com
* * * * * * * * * * * * * * * * * * * * * *
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