//OSFOURK-8927
        public bool ReqSystemStatus()
        {
            ReqSystemSatusStr Msg = new ReqSystemSatusStr();

            Msg.BEG  = 0xaa;
            Msg.Size = (short)(System.Runtime.InteropServices.Marshal.SizeOf(Msg) - NetworkPacketTools.PCK_HDR_TRM_LEN());
            Msg.Cmd  = PacketTypes.REQSYSTEMSTATUS;
            Msg.END  = 0x55;
            Globals.Logger.LogString(LogManager.LogLevels.LogFlagNetwork, nclient.ServerIPAndPort + " CMSG : REQSYSTEMSTATUS");
            return(SendMessageToSocket(Msg));
        }
        //OSFOURK-6654
        public bool DbChecksumRequest()
        {
            DbGetChkRequestStr Msg = new DbGetChkRequestStr();

            Msg.BEG  = 0xaa;
            Msg.Size = (short)(System.Runtime.InteropServices.Marshal.SizeOf(Msg) - NetworkPacketTools.PCK_HDR_TRM_LEN());
            Msg.Cmd  = PacketTypes.DBGET_CHK_REQUEST;
            Msg.END  = 0x55;
            Globals.Logger.LogString(LogManager.LogLevels.LogFlagNetwork, nclient.ServerIPAndPort + " CMSG : DBGET_CHK_REQUEST");
            return(SendMessageToSocket(Msg));
        }
        public bool MonitorStop(string xrefId)
        {
            MonitorStopStr Msg = new MonitorStopStr();

            Msg.BEG  = 0xaa;
            Msg.Size = (short)(System.Runtime.InteropServices.Marshal.SizeOf(Msg) - NetworkPacketTools.PCK_HDR_TRM_LEN());
            Msg.Cmd  = PacketTypes.MONITORSTOP;
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(xrefId, Msg.XrefId); }
            Msg.END = 0x55;
            Globals.Logger.LogString(LogManager.LogLevels.LogFlagNetwork, nclient.ServerIPAndPort + " CMSG : MONITORSTOP, xrefid " + xrefId);
            return(SendMessageToSocket(Msg));
        }
        public bool QueryDeviceForwarding(string device)
        {
            QueryDeviceForwardingStr Msg = new QueryDeviceForwardingStr();

            Msg.BEG  = 0xaa;
            Msg.Size = (short)(System.Runtime.InteropServices.Marshal.SizeOf(Msg) - NetworkPacketTools.PCK_HDR_TRM_LEN());
            Msg.Cmd  = PacketTypes.QUERYDEVICEFORWARDING;
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(device, Msg.Device); }
            Msg.END = 0x55;
            Globals.Logger.LogString(LogManager.LogLevels.LogFlagNetwork, nclient.ServerIPAndPort + " CMSG : QUERYDEVICEFORWARDING, device " + device);
            return(SendMessageToSocket(Msg));
        }
        public bool DBRequest(ushort chunk)
        {
            DbSendAckStr Msg = new DbSendAckStr();

            Msg.BEG   = 0xaa;
            Msg.Size  = (short)(System.Runtime.InteropServices.Marshal.SizeOf(Msg) - NetworkPacketTools.PCK_HDR_TRM_LEN());
            Msg.Cmd   = PacketTypes.DBSEND_ACK;
            Msg.Chunk = chunk;
            Msg.END   = 0x55;
            Globals.Logger.LogString(LogManager.LogLevels.LogFlagNetwork, nclient.ServerIPAndPort + " CMSG : DBSEND_ACK, chunk " + chunk.ToString());
            return(SendMessageToSocket(Msg));
        }
        public bool MakeCall(string calling_device, string called_directory_number, short shPrompt)
        {
            MakeCallStr Msg = new MakeCallStr();

            Msg.BEG  = 0xaa;
            Msg.Size = (short)(System.Runtime.InteropServices.Marshal.SizeOf(Msg) - NetworkPacketTools.PCK_HDR_TRM_LEN());
            Msg.Cmd  = PacketTypes.MAKECALL;
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(calling_device, Msg.Calling_device); }
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(called_directory_number, Msg.Called_directory_number); }
            Msg.ShPrompt = shPrompt;
            Msg.END      = 0x55;
            Globals.Logger.LogString(LogManager.LogLevels.LogFlagNetwork, nclient.ServerIPAndPort + " CMSG : MAKECALL, device " + calling_device.ToString() + " dir number " + called_directory_number.ToString() + " shpromt " + shPrompt.ToString());
            return(SendMessageToSocket(Msg));
        }
        public bool SetFeatureForwarding(string device, string fwd_dn, short type, short shOn)
        {
            SetFeatureForwardingStr Msg = new SetFeatureForwardingStr();

            Msg.BEG  = 0xaa;
            Msg.Size = (short)(System.Runtime.InteropServices.Marshal.SizeOf(Msg) - NetworkPacketTools.PCK_HDR_TRM_LEN());
            Msg.Cmd  = PacketTypes.SETFEATUREFORWARDING;
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(device, Msg.Device); }
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(fwd_dn, Msg.Fwd_dn); }
            Msg.Type = type;
            Msg.ShOn = shOn;
            Msg.END  = 0x55;
            Globals.Logger.LogString(LogManager.LogLevels.LogFlagNetwork, nclient.ServerIPAndPort + " CMSG : SETFEATUREFORWARDING, device " + device + " fwd_dn " + fwd_dn + " type " + type.ToString() + " shon " + shOn.ToString());
            return(SendMessageToSocket(Msg));
        }
        public bool TransferCall(string held_device_id, string active_device_id, string held_call_id, string active_call_id)
        {
            TransferCallStr Msg = new TransferCallStr();

            Msg.BEG  = 0xaa;
            Msg.Size = (short)(System.Runtime.InteropServices.Marshal.SizeOf(Msg) - NetworkPacketTools.PCK_HDR_TRM_LEN());
            Msg.Cmd  = PacketTypes.TRANSFERCALL;
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(held_device_id, Msg.Held_device_id); }
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(active_device_id, Msg.Active_device_id); }
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(held_call_id, Msg.Held_call_id); }
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(active_call_id, Msg.Active_call_id); }
            Msg.END = 0x55;
            Globals.Logger.LogString(LogManager.LogLevels.LogFlagNetwork, nclient.ServerIPAndPort + " CMSG : TRANSFERCALL, held_device_id " + held_device_id + " active_device_id " + active_device_id + " held_call_id " + held_call_id + " active_call_id " + active_call_id);
            return(SendMessageToSocket(Msg));
        }
        public bool SnapshotDevice(string device)
        {
            SnapshotDeviceStr Msg = new SnapshotDeviceStr();

            Msg.BEG  = 0xaa;
            Msg.Size = (short)(System.Runtime.InteropServices.Marshal.SizeOf(Msg) - NetworkPacketTools.PCK_HDR_TRM_LEN());
            Msg.Cmd  = PacketTypes.SNAPSHOTDEVICE;
            Msg.END  = 0x55;
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(device, Msg.Device); }
            if (SendMessageToSocket(Msg))
            {
                Globals.Logger.LogString(LogManager.LogLevels.LogFlagNetwork, nclient.ServerIPAndPort + " CMSG : SNAPSHOTDEVICE, device " + device);
                return(true);
            }
            return(false);
        }
        public bool SingleStepTransfer(string active_call_id, string active_device_id, string transfered_to_device_id, string pvt_uu_data, short pvt_uu_data_len)
        {
            SingleStepTransferStr Msg = new SingleStepTransferStr();

            Msg.BEG  = 0xaa;
            Msg.Size = (short)(System.Runtime.InteropServices.Marshal.SizeOf(Msg) - NetworkPacketTools.PCK_HDR_TRM_LEN());
            Msg.Cmd  = PacketTypes.SINGLESTEPTRANSFER;
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(active_call_id, Msg.Active_call_id); }
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(active_device_id, Msg.Active_device_id); }
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(transfered_to_device_id, Msg.Transfered_to_device_id); }
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(pvt_uu_data, Msg.Pvt_uu_data); }
            Msg.Pvt_uu_data_len = pvt_uu_data_len;
            Msg.END             = 0x55;
            Globals.Logger.LogString(LogManager.LogLevels.LogFlagNetwork, nclient.ServerIPAndPort + " CMSG : SINGLESTEPTRANSFER, active_call_id " + active_call_id.ToString() + " active_device_id " + active_device_id.ToString() + " transfer_to_device_id " + transfered_to_device_id.ToString() + " pvt_uu_data " + pvt_uu_data);
            return(SendMessageToSocket(Msg));
        }
        public bool ConsultationCall(string held_device_id, string called_device_id, string held_call_id, string pvt_uu_data, short pvt_uu_data_len)
        {
            ConsultationCallStr Msg = new ConsultationCallStr();

            Msg.BEG  = 0xaa;
            Msg.Size = (short)(System.Runtime.InteropServices.Marshal.SizeOf(Msg) - NetworkPacketTools.PCK_HDR_TRM_LEN());
            Msg.Cmd  = PacketTypes.CONSULTATIONCALL;
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(held_device_id, Msg.Held_device_id); }
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(called_device_id, Msg.Called_device_id); }
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(held_call_id, Msg.Held_call_id); }
            unsafe { NetworkPacketTools.StrinToBytes_MAX_STN_CHARNO(pvt_uu_data, Msg.Pvt_uu_data); }
            Msg.Pvt_uu_data_len = pvt_uu_data_len;
            Msg.END             = 0x55;
            Globals.Logger.LogString(LogManager.LogLevels.LogFlagNetwork, nclient.ServerIPAndPort + " CMSG : CONSULTATIONCALL, held_device_id " + held_device_id + " called_device_id " + called_device_id + " Held_called_id " + held_call_id + " pvt_uu_data " + pvt_uu_data);
            return(SendMessageToSocket(Msg));
        }
        public bool AliveTest(long newState)
        {
            AliveTestStr Msg = new AliveTestStr();

            Msg.BEG      = 0xaa;
            Msg.Size     = (short)(System.Runtime.InteropServices.Marshal.SizeOf(Msg) - NetworkPacketTools.PCK_HDR_TRM_LEN());
            Msg.Cmd      = PacketTypes.ALIVETEST;
            Msg.NewState = newState;
            Msg.END      = 0x55;
            Globals.Logger.LogString(LogManager.LogLevels.LogFlagNetwork, nclient.ServerIPAndPort + " CMSG : ALIVETEST, new state " + newState.ToString());
            return(SendMessageToSocket(Msg));
        }