<div dir="ltr">there is no way to do both inband and info/2833 from within sip.<br><br>inband dtmf is not part of the SIP module it's part of the core.<br><br>you can generate an inband dtmf stream with gentones app or the tone_stream:// file stream.<br>
<br><action application="gentones" data="1234567890"/><br>or<br><action application="playback" data="tone_stream://1234567890"/><br><br><div class="gmail_quote">On Tue, Jul 15, 2008 at 3:29 AM, John Wehle <<a href="mailto:john@feith.com">john@feith.com</a>> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">> Try a sleep after the answer.<br>
<br>
Will do ... just curious as to why and for how long?<br>
<br>
>> 1) When I dial the extension from a Grandstream GXP-2000 ...<br>
>> How do I configure FreeSWITCH to send both RTP digits and inband audio?<br>
> The VoIP phone has no reason to reproduce any DTMF.<br>
<br>
I understand that the VoIP phone has no reason to create DTMF tones from<br>
the RTP digits sent by FreeSWITCH. What I was asking is how to you<br>
configure FreeSWITCH to generate inband DTMF tones in addition to<br>
the RTP digits.<br>
<br>
I.e. this particular phone can be configured to send DTMF digits to<br>
FreeSWITCH as any combination of inband audio, RTP digits, and / or<br>
SIP info. Going in the opposite direction I see where in the FreeSWITCH<br>
sofia xml configuration type you can set the dtmf-type as either rfc2833<br>
or as SIP info however I don't see an option for using both nor do I see<br>
an option for generating inband DTMF audio.<br>
<br>
Note: I was just using send_dtmf with the VoIP phone for testing purposes<br>
... this application doesn't actually need to send DTMF to a VoIP phone.<br>
<br>
>> 2) When I dial the extension from a FXO port on a Sangoma A204D it connects,<br>
> Is this using OpenZAP?<br>
<br>
Yes. In my particular application the System 25 PBX connects to FreeSWITCH<br>
using OpenZAP running on a Sangoma A204DX card. At the end of a call sent<br>
to voicemail I need FreeSWITCH to send some DTMF tones to the PBX in order<br>
to turn on / off the message waiting indicator.<br>
<br>
-- John<br>
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