[Freeswitch-users] Tuning DTMF

[Brian Foster]

Have you tried using Xlite on an IVR or something? Call your bank or your
cable company and see if you can get through the menus fine. I'd bet that
you can. Post back and let us know. They sound short but that should be ok.

Thank you,

Brian Foster
Project Manager/Owner's Rep.
Davri Investments, Inc.
O: 317-787-2686 x2102
M: 317-600-9753
E: bdfoster at davri.com
Indianapolis, Indiana

Sent from a mobile device.
On Aug 23, 2013 3:21 AM, "Grant Bagdasarian" <GB at cm.nl> wrote:

> Hello,****
>
> ** **
>
> Setup is as following:****
>
> ** **
>
> X-Lite (Test phone) ------>  SIP Proxy ------> FS (as SBC) ------> Carrier
> ------> End-user phone****
>
> ** **
>
> Whenever I place a call using X-Lite to the End-user phone, in this case
> my own mobile phone or office phone, and start sending DTMF tones from the
> remote telephone, the DMTF tones arrive with a crackling sound at the end
> of the tone.****
>
> ** **
>
> Console debug:****
>
> 2013-08-23 09:00:13.813207 [DEBUG] switch_rtp.c:3829 Send start packet for
> [2] ts=3778476449 dur=160/160/1280 seq=5098 lw=-516490847****
>
> 2013-08-23 09:00:13.833208 [DEBUG] switch_rtp.c:3729 Send middle packet
> for [2] ts=3778476449 dur=320/320/1280 seq=5099 lw=161****
>
> 2013-08-23 09:00:13.853208 [DEBUG] switch_rtp.c:3729 Send middle packet
> for [2] ts=3778476449 dur=480/480/1280 seq=5100 lw=161****
>
> 2013-08-23 09:00:13.873208 [DEBUG] switch_rtp.c:3729 Send middle packet
> for [2] ts=3778476449 dur=640/640/1280 seq=5101 lw=161****
>
> 2013-08-23 09:00:13.893208 [DEBUG] switch_rtp.c:3729 Send middle packet
> for [2] ts=3778476449 dur=800/800/1280 seq=5102 lw=161****
>
> 2013-08-23 09:00:13.913208 [DEBUG] switch_rtp.c:3729 Send middle packet
> for [2] ts=3778476449 dur=960/960/1280 seq=5103 lw=161****
>
> 2013-08-23 09:00:13.933208 [DEBUG] switch_rtp.c:3729 Send middle packet
> for [2] ts=3778476449 dur=1120/1120/1280 seq=5104 lw=161****
>
> 2013-08-23 09:00:13.953207 [DEBUG] switch_rtp.c:3729 Send end packet for
> [2] ts=3778476449 dur=1280/1280/1280 seq=5105 lw=1****
>
> 2013-08-23 09:00:13.953207 [DEBUG] switch_rtp.c:3729 Send end packet for
> [2] ts=3778476449 dur=1280/1280/1280 seq=5106 lw=1****
>
> 2013-08-23 09:00:13.953207 [DEBUG] switch_rtp.c:3729 Send end packet for
> [2] ts=3778476449 dur=1280/1280/1280 seq=5107 lw=1****
>
> 2013-08-23 09:00:14.813206 [DEBUG] switch_rtp.c:5117 RTP RECV DTMF 1:1280*
> ***
>
> 2013-08-23 09:00:14.813206 [DEBUG] switch_channel.c:471 RECV DTMF 1:1280**
> **
>
> ** **
>
> Both internal and external sip profiles have the following configuration
> for DTMF:****
>
> <param name="liberal-dtmf" value="true"/>****
>
> <param name="rfc2833-pt" value="101"/>****
>
> <param name="dtmf-duration" value="2000"/>****
>
> <param name="inbound-codec-negotiation" value="generous"/>****
>
> <param name="inbound-late-negotiation" value="true"/>****
>
> ** **
>
> Internal.xml (Dialplan)****
>
>     <extension name="internal_to_external">****
>
>       <condition field="${sip_req_host}" expression="^10\.0\.0\.1$">****
>
>         <action application="set" data="hangup_after_bridge=false"/>****
>
>         <action application="set" data="continue_on_fail=true"/>****
>
>         <action application="bridge" data="sofia/external/${sip_req_uri}"/>
> ****
>
>       </condition>****
>
>     </extension>****
>
> ** **
>
> Is there a way to tune the DTMF tones? If so, which parameters do I need
> to add or edit?****
>
> ** **
>
> Thanks!****
>
> ** **
>
> Grant****
>
> ** **
>
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