[Freeswitch-users] DTMF Volume too low

[Anthony Minessale]

Would need a feature request on JIRA to add a param or variable to control
dtmf volume then wait for someone to decide to code it or maybe offer a
bounty.


On Fri, Dec 18, 2015 at 7:43 AM, Алексей Морозов <a.m.morozov at gmail.com>
wrote:

> Hello.
>
> We have encountered a problem. We use bind_digit_action application to
> activate a number of features. To still have ability to pass DTMF signals
> between A_leg and B_leg, we use send_dtmf application. This is a part of
> our dialplan.
>
> <extension name="Bind_DTMF_action">
>     <condition field="destination_number" expression="^DTMF_CALL_CONTROL$">
>       <action application="bind_digit_action"
> data="dtmf_call_control,*1,exec:execute_extension,attented_xfer XML
> ${context},both,self"/>
>
>       <action application="bind_digit_action"
> data="dtmf_call_control,~^\d,exec:execute_extension,send_dgts XML
> ${context},both,peer"/>
>       <action application="digit_action_set_realm"
> data="dtmf_call_control"/>
>     </condition>
>   </extension>
>
>
> <extension name="Send_DTMF">
> <condition field="destination_number" expression="^send_dgts$">
> <action application="send_dtmf" data="${last_matching_digits}"/>
> </condition>
> </extension>
>
>
> All work well but one  snag - our customers from time to time complain
> inability to interact whith IVR. During debugging we have discovered that
> Freeswitch generates DTMF signals with volume = 13.
> The problem is that a lot of popular PBX and call managers (for example
> Cisco UCM) do not recognize DTMF with such low volume.
> Is it possible to set this value in freeswitch as we need or this
> parameter is not configurable?
> --
> WBR
> Alex M.
>
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-- 
Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬

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