Jingwei, the dialplan command eavesdrop does this. The person barging in can use key presses to dynamically turn on/off voice. --matt Voice Broadcasting <http://www.hellohunter.com/voice_broadcast.php> & Predictive Dialer <http://www.hellohunter.com> On Mon, Sep 28, 2009 at 3:38 PM, Jingwei Yang <jingwei.yang@gmail.com>wrote:
Hi Guys,
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?
Thanks, -Jingwei
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