[Freeswitch-users] send_dtmf problems

[Anthony Minessale]

there is no way to do both inband and info/2833 from within sip.

inband dtmf is not part of the SIP module it's part of the core.

you can generate an inband dtmf stream with gentones app or the
tone_stream:// file stream.

<action application="gentones" data="1234567890"/>
or
<action application="playback" data="tone_stream://1234567890"/>

On Tue, Jul 15, 2008 at 3:29 AM, John Wehle <john at feith.com> wrote:

> > Try a sleep after the answer.
>
> Will do ... just curious as to why and for how long?
>
> >> 1) When I dial the extension from a Grandstream GXP-2000 ...
> >> How do I configure FreeSWITCH to send both RTP digits and inband audio?
> > The VoIP phone has no reason to reproduce any DTMF.
>
> I understand that the VoIP phone has no reason to create DTMF tones from
> the RTP digits sent by FreeSWITCH.  What I was asking is how to you
> configure FreeSWITCH to generate inband DTMF tones in addition to
> the RTP digits.
>
> I.e. this particular phone can be configured to send DTMF digits to
> FreeSWITCH as any combination of inband audio, RTP digits, and / or
> SIP info.   Going in the opposite direction I see where in the FreeSWITCH
> sofia xml configuration type you can set the dtmf-type as either rfc2833
> or as SIP info however I don't see an option for using both nor do I see
> an option for generating inband DTMF audio.
>
> Note: I was just using send_dtmf with the VoIP phone for testing purposes
> ... this application doesn't actually need to send DTMF to a VoIP phone.
>
> >> 2) When I dial the extension from a FXO port on a Sangoma A204D it
> connects,
> > Is this using OpenZAP?
>
> Yes.  In my particular application the System 25 PBX connects to FreeSWITCH
> using OpenZAP running on a Sangoma A204DX card.  At the end of a call sent
> to voicemail I need FreeSWITCH to send some DTMF tones to the PBX in order
> to turn on / off the message waiting indicator.
>
> -- John
> -------------------------------------------------------------------------
> |   Feith Systems  |   Voice: 1-215-646-8000  |  Email: john at feith.com  |
> |    John Wehle    |     Fax: 1-215-540-5495  |                         |
> -------------------------------------------------------------------------
>
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-- 
Anthony Minessale II

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