public static void test()
{
GSM telephone = new GSM("S4", "Samsung");
Call numberone = new Call(telephone, DateTime.Now, 300, "0898855825");
telephone.AddCall(numberone);
Call numbertwo = new Call(telephone, DateTime.Now, 350, "0898855925");
telephone.AddCall(numbertwo);
Call numberthree = new Call(telephone, DateTime.Now, 300, "0898854825");
telephone.AddCall(numberthree);
telephone.PrintCall();
Console.WriteLine("///////////////////");
telephone.PriceCall();
Console.WriteLine("///////////////////");
telephone.DeleteCall(2);
telephone.PrintCall();
Console.WriteLine("//////////////////");
telephone.PriceCall();
Console.WriteLine("//////////////////");
telephone.ClearCall();
telephone.PrintCall();
}
