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@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@freeswitch.org FreeSWITCH Solutions, LLC PO BOX 2531 Brookfield, WI 53008-2531 Twitter: @FreeSWITCH , @briankwest http://www.freeswitchbook.com http://www.freeswitchcookbook.com
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On Feb 19, 2014, at 1:53 AM, Yigal Rachilevsky <yigalr01@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@freeswitch.org http://www.freeswitchsolutions.com
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