<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1440355074919_3619">Hello;</div><div id="yui_3_16_0_1_1440355074919_3619"><br></div><div id="yui_3_16_0_1_1440355074919_3619">The the destination already have a call (talking) and someone called it, we need the caller to hear a tone which indicate that the destination has a call (busy) and the destination should hear a tone to indicates that someone is calling him. How can we do this? </div><div id="yui_3_16_0_1_1440355074919_3619"><br></div><div id="yui_3_16_0_1_1440355074919_3619" dir="ltr">Regards</div><div id="yui_3_16_0_1_1440355074919_3619" dir="ltr">Bilal</div></div></body></html>