[asterisk-users] inband DTMF for g729

[Ed Nuñez]

I have a similar issue with Qwest SIP.  They only support rfc2833 in g729AB,
and Asterisk is only G729A.  Sprint works fine for me.



-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Matthew
Fredrickson
Sent: Friday, June 22, 2007 3:21 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
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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