[asterisk-users] inband DTMF for g729

[Jon Weisman]

inband is for G711 (uLaw) only.

Try rfc2833

Jon Weisman | Sales Engineer
International Bell Communications
www.ibell.net


----- Original Message ----- 
From: "Matthew Fredrickson" <creslin at digium.com>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
<asterisk-users at lists.digium.com>
Sent: Friday, June 22, 2007 3:20 PM
Subject: Re: [asterisk-users] inband DTMF for g729


> Sounds like you need a new SIP carrier.  G.729 has a way of
> destroying inband DTMF tones.
>
> ---
> Matthew Fredrickson
> Software Engineer
> Digium, Inc.
>
> On Jun 22, 2007, at 1:20 PM, Gary Chen wrote:
>
>> Does anybody know why Asterisk does not support inband DTMF for G.729?
>> Our SIP carrier use inband dtmf for G.729. This causes problem for
>> us to use it for our Asterisk IVR system.
>>
>> Any suggestion to solve this problem?
>>
>> Gary
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