void textBoxPhone_ButtonCustomClick( object sender, EventArgs e)
{
    MercatorUi.MovableControls. MovableTextBox textBox = (MercatorUi.MovableControls. MovableTextBox )sender;
     string no = Api .NumOnly(textBox.Text.Trim());
     if ((no != "" ) && MercatorUi. Globals .ExternalsObjects.ContainsKey( "MercatorAsterisk.ClassAsterisk" ))
    {
        MercatorAsterisk. ClassAsterisk classAsterisk = (MercatorAsterisk. ClassAsterisk )MercatorUi. Globals .ExternalsObjects[ "MercatorAsterisk.ClassAsterisk" ];
        classAsterisk.MakeCall(no);
    }
}