diff --git a/src/common/network/BaseNetwork.cpp b/src/common/network/BaseNetwork.cpp
index c8c89f78..079a5510 100644
--- a/src/common/network/BaseNetwork.cpp
+++ b/src/common/network/BaseNetwork.cpp
@@ -252,9 +252,12 @@ uint32_t BaseNetwork::getDMRStreamId(uint32_t slotNo) const
 /// <param name="length">Length of buffer to write.</param>
 /// <param name="pktSeq"></param>
 /// <param name="streamId"></param>
-bool BaseNetwork::writeMaster(FrameQueue::OpcodePair opcode, const uint8_t* data, uint32_t length, uint16_t pktSeq, uint32_t streamId)
+/// <param name="queueOnly"></param>
+bool BaseNetwork::writeMaster(FrameQueue::OpcodePair opcode, const uint8_t* data, uint32_t length, uint16_t pktSeq, uint32_t streamId, bool queueOnly)
 {
     m_frameQueue->enqueueMessage(data, length, streamId, m_peerId, opcode, pktSeq, m_addr, m_addrLen);
+    if (queueOnly)
+        return true;
     return m_frameQueue->flushQueue();
 }
 
diff --git a/src/common/network/BaseNetwork.h b/src/common/network/BaseNetwork.h
index 96dd06df..4b55de86 100644
--- a/src/common/network/BaseNetwork.h
+++ b/src/common/network/BaseNetwork.h
@@ -192,7 +192,7 @@ namespace network
 
         /// <summary>Helper to send a data message to the master.</summary>
         bool writeMaster(FrameQueue::OpcodePair opcode, const uint8_t* data, uint32_t length, 
-            uint16_t pktSeq, uint32_t streamId);
+            uint16_t pktSeq, uint32_t streamId, bool queueOnly = false);
 
         /** Digital Mobile Radio */
         /// <summary>Reads DMR raw frame data from the DMR ring buffer.</summary>
diff --git a/src/fne/ActivityLog.cpp b/src/fne/ActivityLog.cpp
new file mode 100644
index 00000000..0ee95111
--- /dev/null
+++ b/src/fne/ActivityLog.cpp
@@ -0,0 +1,161 @@
+/**
+* Digital Voice Modem - Conference FNE Software
+* GPLv2 Open Source. Use is subject to license terms.
+* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+*
+* @package DVM / Conference FNE Software
+*
+*/
+/*
+*   Copyright (C) 2024 by Bryan Biedenkapp N2PLL
+*
+*   This program is free software; you can redistribute it and/or modify
+*   it under the terms of the GNU General Public License as published by
+*   the Free Software Foundation; either version 2 of the License, or
+*   (at your option) any later version.
+*
+*   This program is distributed in the hope that it will be useful,
+*   but WITHOUT ANY WARRANTY; without even the implied warranty of
+*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*   GNU General Public License for more details.
+*
+*   You should have received a copy of the GNU General Public License
+*   along with this program; if not, write to the Free Software
+*   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+#include "ActivityLog.h"
+#include "common/network/BaseNetwork.h"
+#include "common/Log.h" // for CurrentLogFileLevel() and LogGetNetwork()
+
+#include <sys/time.h>
+
+#if defined(CATCH2_TEST_COMPILATION)
+#include <catch2/catch_test_macros.hpp>
+#endif
+
+#include <cstdio>
+#include <cstdlib>
+#include <cstdarg>
+#include <ctime>
+#include <cassert>
+#include <cstring>
+
+// ---------------------------------------------------------------------------
+//  Constants
+// ---------------------------------------------------------------------------
+
+#define EOL    "\r\n"
+
+const uint32_t ACT_LOG_BUFFER_LEN = 501U;
+
+// ---------------------------------------------------------------------------
+//  Global Variables
+// ---------------------------------------------------------------------------
+
+static std::string m_actFilePath;
+static std::string m_actFileRoot;
+
+static FILE* m_actFpLog = nullptr;
+
+static struct tm m_actTm;
+
+// ---------------------------------------------------------------------------
+//  Global Functions
+// ---------------------------------------------------------------------------
+
+/// <summary>
+/// Helper to open the activity log file, file handle.
+/// </summary>
+/// <returns>True, if log file is opened, otherwise false.
+static bool ActivityLogOpen()
+{
+    if (CurrentLogFileLevel() == 0U)
+        return true;
+
+    time_t now;
+    ::time(&now);
+
+    struct tm* tm = ::gmtime(&now);
+
+    if (tm->tm_mday == m_actTm.tm_mday && tm->tm_mon == m_actTm.tm_mon && tm->tm_year == m_actTm.tm_year) {
+        if (m_actFpLog != nullptr)
+            return true;
+    }
+    else {
+        if (m_actFpLog != nullptr)
+            ::fclose(m_actFpLog);
+    }
+
+    char filename[200U];
+    ::sprintf(filename, "%s/%s-%04d-%02d-%02d.activity.log", LogGetFilePath().c_str(), LogGetFileRoot().c_str(), tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
+
+    m_actFpLog = ::fopen(filename, "a+t");
+    m_actTm = *tm;
+
+    return m_actFpLog != nullptr;
+}
+
+/// <summary>
+/// Initializes the activity log.
+/// </summary>
+/// <param name="filePath">Full-path to the activity log file.</param>
+/// <param name="fileRoot">Prefix of the activity log file name.</param>
+bool ActivityLogInitialise(const std::string& filePath, const std::string& fileRoot)
+{
+#if defined(CATCH2_TEST_COMPILATION)
+    return true;
+#endif
+    m_actFilePath = filePath;
+    m_actFileRoot = fileRoot;
+
+    return ::ActivityLogOpen();
+}
+
+/// <summary>
+/// Finalizes the activity log.
+/// </summary>
+void ActivityLogFinalise()
+{
+#if defined(CATCH2_TEST_COMPILATION)
+    return;
+#endif
+    if (m_actFpLog != nullptr)
+        ::fclose(m_actFpLog);
+}
+
+/// <summary>
+/// Writes a new entry to the activity log.
+/// </summary>
+/// <remarks>This is a variable argument function.</remarks>
+/// <param name="msg">Formatted string to write to activity log.</param>
+void ActivityLog(const char* msg, ...)
+{
+#if defined(CATCH2_TEST_COMPILATION)
+    return;
+#endif
+    assert(msg != nullptr);
+
+    char buffer[ACT_LOG_BUFFER_LEN];
+
+    va_list vl;
+    va_start(vl, msg);
+
+    ::vsnprintf(buffer, ACT_LOG_BUFFER_LEN - 1U, msg, vl);
+
+    va_end(vl);
+
+    bool ret = ::ActivityLogOpen();
+    if (!ret)
+        return;
+
+    if (CurrentLogFileLevel() == 0U)
+        return;
+
+    ::fprintf(m_actFpLog, "%s\n", buffer);
+    ::fflush(m_actFpLog);
+
+    if (2U >= g_logDisplayLevel && g_logDisplayLevel != 0U) {
+        ::fprintf(stdout, "%s" EOL, buffer);
+        ::fflush(stdout);
+    }
+}
diff --git a/src/fne/ActivityLog.h b/src/fne/ActivityLog.h
new file mode 100644
index 00000000..3d5282f3
--- /dev/null
+++ b/src/fne/ActivityLog.h
@@ -0,0 +1,44 @@
+/**
+* Digital Voice Modem - Conference FNE Software
+* GPLv2 Open Source. Use is subject to license terms.
+* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+*
+* @package DVM / Conference FNE Software
+*
+*/
+/*
+*   Copyright (C) 2024 by Bryan Biedenkapp N2PLL
+*
+*   This program is free software; you can redistribute it and/or modify
+*   it under the terms of the GNU General Public License as published by
+*   the Free Software Foundation; either version 2 of the License, or
+*   (at your option) any later version.
+*
+*   This program is distributed in the hope that it will be useful,
+*   but WITHOUT ANY WARRANTY; without even the implied warranty of
+*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*   GNU General Public License for more details.
+*
+*   You should have received a copy of the GNU General Public License
+*   along with this program; if not, write to the Free Software
+*   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+#if !defined(__ACTIVITY_LOG_H__)
+#define __ACTIVITY_LOG_H__
+
+#include "Defines.h"
+
+#include <string>
+
+// ---------------------------------------------------------------------------
+//  Global Functions
+// ---------------------------------------------------------------------------
+
+/// <summary>Initializes the activity log.</summary>
+extern HOST_SW_API bool ActivityLogInitialise(const std::string& filePath, const std::string& fileRoot);
+/// <summary>Finalizes the activity log.</summary>
+extern HOST_SW_API void ActivityLogFinalise();
+/// <summary>Writes a new entry to the activity log.</summary>
+extern HOST_SW_API void ActivityLog(const char* msg, ...);
+
+#endif // __ACTIVITY_LOG_H__
diff --git a/src/fne/FNEMain.cpp b/src/fne/FNEMain.cpp
index 86bddc30..0c6e2d9f 100644
--- a/src/fne/FNEMain.cpp
+++ b/src/fne/FNEMain.cpp
@@ -30,6 +30,7 @@
 */
 #include "Defines.h"
 #include "common/Log.h"
+#include "ActivityLog.h"
 #include "FNEMain.h"
 #include "HostFNE.h"
 
@@ -248,6 +249,7 @@ int main(int argc, char** argv)
     } while (g_signal == 1);
 
     ::LogFinalise();
+    ::ActivityLogFinalise();
 
     return ret;
 }
diff --git a/src/fne/HostFNE.cpp b/src/fne/HostFNE.cpp
index 3021448a..18f1b6da 100644
--- a/src/fne/HostFNE.cpp
+++ b/src/fne/HostFNE.cpp
@@ -32,6 +32,7 @@
 #include "network/fne/TagDMRData.h"
 #include "network/fne/TagP25Data.h"
 #include "network/fne/TagNXDNData.h"
+#include "ActivityLog.h"
 #include "HostFNE.h"
 #include "FNEMain.h"
 
@@ -121,6 +122,11 @@ int HostFNE::run()
         ::fatal("unable to open the log file\n");
     }
 
+    ret = ::ActivityLogInitialise(logConf["activityFilePath"].as<std::string>(), logConf["fileRoot"].as<std::string>());
+    if (!ret) {
+        ::fatal("unable to open the activity log file\n");
+    }
+
     // handle POSIX process forking
     if (m_daemon) {
         // create new process
diff --git a/src/fne/network/FNENetwork.cpp b/src/fne/network/FNENetwork.cpp
index 033b0415..8265a27f 100644
--- a/src/fne/network/FNENetwork.cpp
+++ b/src/fne/network/FNENetwork.cpp
@@ -7,7 +7,7 @@
 *
 */
 /*
-*   Copyright (C) 2023 by Bryan Biedenkapp N2PLL
+*   Copyright (C) 2023-2024 by Bryan Biedenkapp N2PLL
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
@@ -33,6 +33,7 @@
 #include "network/fne/TagDMRData.h"
 #include "network/fne/TagP25Data.h"
 #include "network/fne/TagNXDNData.h"
+#include "fne/ActivityLog.h"
 #include "HostFNE.h"
 
 using namespace network;
@@ -539,10 +540,7 @@ void FNENetwork::clock(uint32_t ms)
                                 ::memcpy(rawPayload, buffer.get() + 11U, length - 11U);
                                 std::string payload(rawPayload, rawPayload + (length - 11U));
 
-                                std::stringstream ss;
-                                ss << peerId << " " << payload;
-
-                                ::Log(9999U, nullptr, "%s", ss.str().c_str());
+                                ::ActivityLog("%u %s", peerId, payload.c_str());
                             }
                             else {
                                 writePeerNAK(peerId, TAG_TRANSFER_ACT_LOG);
diff --git a/src/fne/network/fne/TagDMRData.cpp b/src/fne/network/fne/TagDMRData.cpp
index f5c4b0f7..91382b17 100644
--- a/src/fne/network/fne/TagDMRData.cpp
+++ b/src/fne/network/fne/TagDMRData.cpp
@@ -239,6 +239,7 @@ bool TagDMRData::processFrame(const uint8_t* data, uint32_t len, uint32_t peerId
                     m_network->m_callInProgress = true;
             }
         }
+        m_network->m_frameQueue->flushQueue();
 
         // repeat traffic to upstream peers
         if (m_network->m_host->m_peerNetworks.size() > 0 && !tg.config().parrot()) {
@@ -257,11 +258,11 @@ bool TagDMRData::processFrame(const uint8_t* data, uint32_t len, uint32_t peerId
                 // perform TGID route rewrites if configured
                 routeRewrite(outboundPeerBuffer, peerId, dmrData, dataType, dstId, slotNo);
 
-                peer.second->writeMaster({ NET_FUNC_PROTOCOL, NET_PROTOCOL_SUBFUNC_DMR }, outboundPeerBuffer, len, pktSeq, streamId);
+                peer.second->writeMaster({ NET_FUNC_PROTOCOL, NET_PROTOCOL_SUBFUNC_DMR }, outboundPeerBuffer, len, pktSeq, streamId, true);
             }
         }
-
         m_network->m_frameQueue->flushQueue();
+
         return true;
     }
 
diff --git a/src/fne/network/fne/TagNXDNData.cpp b/src/fne/network/fne/TagNXDNData.cpp
index 5c6e0883..cf4d80b4 100644
--- a/src/fne/network/fne/TagNXDNData.cpp
+++ b/src/fne/network/fne/TagNXDNData.cpp
@@ -209,6 +209,7 @@ bool TagNXDNData::processFrame(const uint8_t* data, uint32_t len, uint32_t peerI
                     m_network->m_callInProgress = true;
             }
         }
+        m_network->m_frameQueue->flushQueue();
 
         // repeat traffic to upstream peers
         if (m_network->m_host->m_peerNetworks.size() > 0 && !tg.config().parrot()) {
@@ -227,11 +228,11 @@ bool TagNXDNData::processFrame(const uint8_t* data, uint32_t len, uint32_t peerI
                 // perform TGID route rewrites if configured
                 routeRewrite(outboundPeerBuffer, peerId, messageType, dstId);
 
-                peer.second->writeMaster({ NET_FUNC_PROTOCOL, NET_PROTOCOL_SUBFUNC_NXDN }, outboundPeerBuffer, len, pktSeq, streamId);
+                peer.second->writeMaster({ NET_FUNC_PROTOCOL, NET_PROTOCOL_SUBFUNC_NXDN }, outboundPeerBuffer, len, pktSeq, streamId, true);
             }
         }
-
         m_network->m_frameQueue->flushQueue();
+
         return true;
     }
 
diff --git a/src/fne/network/fne/TagP25Data.cpp b/src/fne/network/fne/TagP25Data.cpp
index 38c41f7f..05f35431 100644
--- a/src/fne/network/fne/TagP25Data.cpp
+++ b/src/fne/network/fne/TagP25Data.cpp
@@ -252,6 +252,7 @@ bool TagP25Data::processFrame(const uint8_t* data, uint32_t len, uint32_t peerId
                     m_network->m_callInProgress = true;
             }
         }
+        m_network->m_frameQueue->flushQueue();
 
         // repeat traffic to upstream peers
         if (m_network->m_host->m_peerNetworks.size() > 0 && !tg.config().parrot()) {
@@ -270,11 +271,11 @@ bool TagP25Data::processFrame(const uint8_t* data, uint32_t len, uint32_t peerId
                 // perform TGID route rewrites if configured
                 routeRewrite(outboundPeerBuffer, peerId, duid, dstId);
 
-                peer.second->writeMaster({ NET_FUNC_PROTOCOL, NET_PROTOCOL_SUBFUNC_P25 }, outboundPeerBuffer, len, pktSeq, streamId);
+                peer.second->writeMaster({ NET_FUNC_PROTOCOL, NET_PROTOCOL_SUBFUNC_P25 }, outboundPeerBuffer, len, pktSeq, streamId, true);
             }
         }
-
         m_network->m_frameQueue->flushQueue();
+
         return true;
     }