[Asterisk-Dev] DTMF when transferring calls - not handled well?

[Vahan Yerkanian]

I think posting the patch to the list would be benificial too, at least 
for archival purposes.

Vahan

Bryan Field-Elliot wrote:
> Could you please send me your patch?
> 
> We have tried the Grandstream HT286, the Sipura 1001, and a LeadTek 
> device (not sure the model), and none of them appear to like how 
> Asterisk sends them DTMF digits via RFC2833. They just don't play the 
> digit for the analog device plugged into it.
> 
> 
> 
> 
> On Mon, 2005-05-23 at 10:34 +0200, Andreas Sikkema wrote:
> 
>>On Sun, 2005-05-22 at 08:27 -0600, Bryan Field-Elliot wrote:
>>
>>> in ast_rtp_senddigit, why are the RTP packets being sent in this way?
>>> 6 "ON" followed by 6 "OFF" packets for each DTMF digit?
>>
>>I also ahd an issue with the way Asterisk sends digits. The ATA's and
>>gateways we're using also don't like the way Asterisk sends digits. I've
>>patched ast_rtp_senddigit to send it according to what we needed to make
>>it work, but this can easily be made more general. I've never submitted
>>it because the current code is so "different" to what I see that it must
>>have been written on purpose this way.
>>
> 
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