[Freeswitch-users] DTMF negotiation

[Alexey Sibyakin]

Hi,

You need
<action application="set" data="execute_on_media=start_dtmf_generate"/>
in dialplan and probably
<param name="dtmf-type" value="none"/>
in sofia profile

Alex

On Thu, Mar 1, 2018 at 12:02 AM, kaiduan xie <kaiduanx at yahoo.ca> wrote:

> Hi,
>
> We are encountering the following DTMF issue,
>
> FreeSwitch adds telephone-event support in INVITE to SBC, SBC replies back
> without telephone-event support in 200.
>
> However FreeSwitch still sends out DTMF in RFC 2833 event.
>
> I think FreeSwitch should send out DTMF inband instead of 2833 event, what
> is the configuration for this?
>
> Many thanks for help,
>
> /Kaiduan
>
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-- 

Alex Sibyakin | Support Engineer
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