/**
* Emit a DTMF to the other end
* @param $dtmf DTMF tones to play
* @param $method Method to emit the DTMF, null to use technology default
*/
function PlayDTMF($dtmf, $method = null)
{
$m = new Yate("chan.dtmf");
$m->id = "";
$m->SetParam("id", IVR::ChannelID());
$m->SetParam("targetid", IVR::TargetID());
$m->SetParam("text", $dtmf);
if ($method !== null) {
$m->SetParam("method", $method);
}
$m->Dispatch();
}
