AMI Action: CoreShowChannels

Example:

    $fp = fsockopen("localhost", 5038, $errno, $errstr, 30);
    $out = "Action: Login\r\n";
    $out .= "Events: off\r\n";
    $out .= "UserName: a****f\r\n";
    $out .= "Secret: ma***9\r\n\r\n";
    fwrite($fp, $out);

    $in = "Action: CoreShowChannels\r\n\r\n";
    $in .= "Action: Logoff\r\n\r\n";
    fwrite($fp, $in);