Application.Common.Helper.CallTypeToString C# (CSharp) Method

        public static string CallTypeToString(CallType callType)
        {
            switch (callType)
            {
                case CallType.Any:
                    return "A";
                case CallType.Inbound:
                    return "I";
                case CallType.Outbound:
                    return "O";
                default:
                    throw new ArgumentOutOfRangeException("callType");
            }
        }