The greeting audio data is sending back to Asterisk (Maybe is echo cancel problem)

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We are building an IVR system from Asterisk. The cell phone i am using is LG 
optimus.

When the speak is on, the greeting audio is sending back to asterisk.

But if I directly call the IVR system without using Sipdroid, we don't the 
problem. 

Maybe need to have echo cancellation

Original issue reported on code.google.com by ypu01...@yahoo.com on 10 May 2011 at 12:31

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Original comment by pmerl...@googlemail.com on 10 May 2011 at 9:27

• Changed state: Invalid

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why it is invalid ? I can reproduce the problem everytime.

--- On Tue, 5/10/11, sipdroid@googlecode.com <sipdroid@googlecode.com> wrote:

From: sipdroid@googlecode.com <sipdroid@googlecode.com>
Subject: Re: Issue 916 in sipdroid: The greeting audio data is sending back to 
Asterisk  (Maybe is echo cancel problem)
To: ypu01720@yahoo.com
Date: Tuesday, May 10, 2011, 5:28 PM

Original comment by ypu01...@yahoo.com on 10 May 2011 at 11:10