[Asterisk-Users] dtmfmode=auto, but doesn't work

Aryanto Rachmad aryanto.rachmad at chello.at
Sun Feb 12 09:43:03 MST 2006


Thanks a lot Kevin,

I am aware that inband DTMF does not work over G.729 codec. So in this case my provider does not offer RFC2833. I can not do anything about this, can I? Or is there anyway to simulate inband DTMF over any other codecs, but G.711a or G711u?

Cheers,

Anto

----- Original Message ----- 
From: "Kevin P. Fleming" <kpfleming at digium.com>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" <asterisk-users at lists.digium.com>
Sent: Sunday, February 12, 2006 5:31 PM
Subject: Re: [Asterisk-Users] dtmfmode=auto, but doesn't work


> Aryanto Rachmad wrote:
> 
> > Why does it not work as the wiki said?
> 
> It does work exactly as the wiki said. The SIP peer did not offer to
> send/receive RFC2833, so we assume it wants to use inband DTMF. However,
> inband DTMF _does not work_ over G.729 codec, so you get a warning.
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