Jingwei,<div><br></div><div>the dialplan command eavesdrop does this. The person barging in can use key presses to dynamically turn on/off voice.</div><div><br></div><div>--matt</div><div><a href="http://www.hellohunter.com/voice_broadcast.php">Voice Broadcasting</a> &amp; <a href="http://www.hellohunter.com">Predictive Dialer</a></div>
<div><br><div class="gmail_quote">On Mon, Sep 28, 2009 at 3:38 PM, Jingwei Yang <span dir="ltr">&lt;<a href="mailto:jingwei.yang@gmail.com">jingwei.yang@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hi Guys,<br><br>Is it possible to restrain the call-out to be one-way, meaning the callee can only listen, but not speak? If so, is it possible to switch off the constraint dynamically during the call and allow the callee to speak?<br>

<br>Thanks,<br><font color="#888888">-Jingwei<br>
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