diff --git a/configs/config.example.yml b/configs/config.example.yml
index 9838dd08..d9e0e06b 100644
--- a/configs/config.example.yml
+++ b/configs/config.example.yml
@@ -132,6 +132,8 @@ protocols:
         txHang: 8
         # BER/Error threshold for silencing voice packets. (0 or 141 disables)
         silenceThreshold: 21
+        # Maximum number of lost frames before terminating a call.
+        frameLossThreshold: 2
         # Internal data queue size (in DMR packets).
         queueSize: 31
         # Flag indicating whether or not verbose logging is enabled.
@@ -215,6 +217,8 @@ protocols:
         sndcpGrant: false
         # BER/Error threshold for silencing voice packets. (0 or 1233 disables)
         silenceThreshold: 124
+        # Maximum number of lost frames before terminating a call.
+        frameLossThreshold: 6
         # Flag indicating whether or not a voice HDU will transmitted at the start of a call from the network.
         disableNetworkHDU: false
         # Internal data queue size (in P25 packets).
@@ -262,6 +266,8 @@ protocols:
         callHang: 5
         # BER/Error threshold for silencing voice packets. (0 or 144 disables)
         silenceThreshold: 14
+        # Maximum number of lost frames before terminating a call.
+        frameLossThreshold: 4
         # Internal data queue size (in NXDN packets).
         queueSize: 31
         # Flag indicating whether or not verbose logging is enabled.
diff --git a/src/dmr/Control.cpp b/src/dmr/Control.cpp
index 57e39023..30d9ec4d 100644
--- a/src/dmr/Control.cpp
+++ b/src/dmr/Control.cpp
@@ -192,7 +192,7 @@ void Control::setOptions(yaml::Node& conf, bool supervisor, const std::vector<ui
     }
 
     // either MAX_DMR_VOICE_ERRORS or 0 will disable the threshold logic
-    if (silenceThreshold == 0) {
+    if (silenceThreshold == 0U) {
         LogWarning(LOG_DMR, "Silence threshold set to zero, defaulting to %u", dmr::MAX_DMR_VOICE_ERRORS);
         silenceThreshold = dmr::MAX_DMR_VOICE_ERRORS;
     }
@@ -200,6 +200,18 @@ void Control::setOptions(yaml::Node& conf, bool supervisor, const std::vector<ui
     m_slot1->setSilenceThreshold(silenceThreshold);
     m_slot2->setSilenceThreshold(silenceThreshold);
 
+    uint8_t frameLossThreshold = (uint8_t)dmrProtocol["frameLossThreshold"].as<uint32_t>(dmr::DEFAULT_FRAME_LOSS_THRESHOLD);
+    if (frameLossThreshold == 0U) {
+        frameLossThreshold = 1U;
+    }
+
+    if (frameLossThreshold > dmr::DEFAULT_FRAME_LOSS_THRESHOLD * 2U) {
+        LogWarning(LOG_DMR, "Frame loss threshold may be excessive, default is %u, configured is %u", dmr::DEFAULT_FRAME_LOSS_THRESHOLD, frameLossThreshold);
+    }
+
+    m_slot1->setFrameLossThreshold(frameLossThreshold);
+    m_slot2->setFrameLossThreshold(frameLossThreshold);
+
     if (printOptions) {
         if (enableTSCC) {
             LogInfo("    TSCC Slot: %u", m_tsccSlotNo);
@@ -212,6 +224,7 @@ void Control::setOptions(yaml::Node& conf, bool supervisor, const std::vector<ui
 
         LogInfo("    Notify Control: %s", notifyCC ? "yes" : "no");
         LogInfo("    Silence Threshold: %u (%.1f%%)", silenceThreshold, float(silenceThreshold) / 1.41F);
+        LogInfo("    Frame Loss Threshold: %u", frameLossThreshold);
 
         LogInfo("    Verify Registration: %s", Slot::m_verifyReg ? "yes" : "no");
     }
diff --git a/src/dmr/DMRDefines.h b/src/dmr/DMRDefines.h
index a2fa1ddf..c121ba30 100644
--- a/src/dmr/DMRDefines.h
+++ b/src/dmr/DMRDefines.h
@@ -126,6 +126,7 @@ namespace dmr
 
     const uint8_t   DEFAULT_NRAND_WAIT = 8U;
     const uint32_t  DEFAULT_SILENCE_THRESHOLD = 21U;
+    const uint32_t  DEFAULT_FRAME_LOSS_THRESHOLD = 2U;
     const uint32_t  MAX_DMR_VOICE_ERRORS = 141U;
 
     const uint32_t  DMR_WUID_SUPLI = 0xFFFEC4U;
diff --git a/src/dmr/Slot.cpp b/src/dmr/Slot.cpp
index 55c3c1f9..a6601920 100644
--- a/src/dmr/Slot.cpp
+++ b/src/dmr/Slot.cpp
@@ -45,12 +45,6 @@ using namespace dmr::packet;
 #include <algorithm>
 #include <cmath>
 
-// ---------------------------------------------------------------------------
-//  Constants
-// ---------------------------------------------------------------------------
-
-const uint8_t MAX_LOST_FRAMES = 2U;
-
 // ---------------------------------------------------------------------------
 //  Static Class Members
 // ---------------------------------------------------------------------------
@@ -162,6 +156,7 @@ Slot::Slot(uint32_t slotNo, uint32_t timeout, uint32_t tgHang, uint32_t queueSiz
     m_rssiCount(0U),
     m_silenceThreshold(DEFAULT_SILENCE_THRESHOLD),
     m_frameLossCnt(0U),
+    m_frameLossThreshold(DEFAULT_FRAME_LOSS_THRESHOLD),
     m_ccSeq(0U),
     m_ccRunning(false),
     m_ccPrevRunning(false),
@@ -206,7 +201,7 @@ bool Slot::processFrame(uint8_t *data, uint32_t len)
     assert(data != nullptr);
 
     if (data[0U] == modem::TAG_LOST) {
-        if (m_frameLossCnt > MAX_LOST_FRAMES) {
+        if (m_frameLossCnt > m_frameLossThreshold) {
             m_frameLossCnt = 0U;
 
             processFrameLoss();
@@ -605,7 +600,7 @@ void Slot::clock()
 
     if (m_frameLossCnt > 0U && m_rfState == RS_RF_LISTENING)
         m_frameLossCnt = 0U;
-    if (m_frameLossCnt >= MAX_LOST_FRAMES && (m_rfState == RS_RF_AUDIO || m_rfState == RS_RF_DATA)) {
+    if (m_frameLossCnt >= m_frameLossThreshold && (m_rfState == RS_RF_AUDIO || m_rfState == RS_RF_DATA)) {
         processFrameLoss();
     }
 }
@@ -728,15 +723,6 @@ void Slot::setTSCCActivated(uint32_t dstId, uint32_t srcId, bool group, bool voi
     m_tsccPayloadVoice = voice;
 }
 
-/// <summary>
-/// Helper to set the voice error silence threshold.
-/// </summary>
-/// <param name="threshold"></param>
-void Slot::setSilenceThreshold(uint32_t threshold)
-{
-    m_silenceThreshold = threshold;
-}
-
 /// <summary>
 /// Helper to get the last transmitted destination ID.
 /// </summary>
diff --git a/src/dmr/Slot.h b/src/dmr/Slot.h
index 1cf2e825..aaffb3f5 100644
--- a/src/dmr/Slot.h
+++ b/src/dmr/Slot.h
@@ -120,7 +120,9 @@ namespace dmr
         /// <summary>Sets a flag indicating whether the voice channels will notify the TSCC of traffic channel changes.</summary>
         void setNotifyCC(bool notifyCC) { m_notifyCC = notifyCC; }
         /// <summary>Helper to set the voice error silence threshold.</summary>
-        void setSilenceThreshold(uint32_t threshold);
+        void setSilenceThreshold(uint32_t threshold) { m_silenceThreshold = threshold; }
+        /// <summary>Helper to set the frame loss threshold.</summary>
+        void setFrameLossThreshold(uint32_t threshold) { m_frameLossThreshold = threshold; }
 
         /// <summary>Helper to get the last transmitted destination ID.</summary>
         uint32_t getLastDstId() const;
@@ -204,6 +206,7 @@ namespace dmr
         uint32_t m_silenceThreshold;
 
         uint8_t m_frameLossCnt;
+        uint8_t m_frameLossThreshold;
 
         uint8_t m_ccSeq;
         bool m_ccRunning;
diff --git a/src/nxdn/Control.cpp b/src/nxdn/Control.cpp
index a83756fa..25339275 100644
--- a/src/nxdn/Control.cpp
+++ b/src/nxdn/Control.cpp
@@ -58,8 +58,6 @@ using namespace nxdn::packet;
 
 const uint8_t MAX_SYNC_BYTES_ERRS = 0U;
 
-const uint8_t MAX_LOST_FRAMES = 4U;
-
 const uint8_t SCRAMBLER[] = {
 	0x00U, 0x00U, 0x00U, 0x82U, 0xA0U, 0x88U, 0x8AU, 0x00U, 0xA2U, 0xA8U, 0x82U, 0x8AU, 0x82U, 0x02U,
 	0x20U, 0x08U, 0x8AU, 0x20U, 0xAAU, 0xA2U, 0x82U, 0x08U, 0x22U, 0x8AU, 0xAAU, 0x08U, 0x28U, 0x88U,
@@ -136,6 +134,7 @@ Control::Control(bool authoritative, uint32_t ran, uint32_t callHang, uint32_t q
     m_networkWatchdog(1000U, 0U, 1500U),
     m_ccPacketInterval(1000U, 0U, 80U),
     m_frameLossCnt(0U),
+    m_frameLossThreshold(DEFAULT_FRAME_LOSS_THRESHOLD),
     m_ccFrameCnt(0U),
     m_ccSeq(0U),
     m_siteData(),
@@ -258,6 +257,14 @@ void Control::setOptions(yaml::Node& conf, bool supervisor, const std::string cw
         LogWarning(LOG_NXDN, "Silence threshold set to zero, defaulting to %u", nxdn::MAX_NXDN_VOICE_ERRORS);
         m_voice->m_silenceThreshold = nxdn::MAX_NXDN_VOICE_ERRORS;
     }
+    m_frameLossThreshold = (uint8_t)nxdnProtocol["frameLossThreshold"].as<uint32_t>(nxdn::DEFAULT_FRAME_LOSS_THRESHOLD);
+    if (m_frameLossThreshold == 0U) {
+        m_frameLossThreshold = 1U;
+    }
+
+    if (m_frameLossThreshold > nxdn::DEFAULT_FRAME_LOSS_THRESHOLD * 2U) {
+        LogWarning(LOG_NXDN, "Frame loss threshold may be excessive, default is %u, configured is %u", nxdn::DEFAULT_FRAME_LOSS_THRESHOLD, m_frameLossThreshold);
+    }
 
     bool disableCompositeFlag = nxdnProtocol["disableCompositeFlag"].as<bool>(false);
     uint8_t serviceClass = NXDN_SIF1_VOICE_CALL_SVC | NXDN_SIF1_DATA_CALL_SVC;
@@ -329,6 +336,7 @@ void Control::setOptions(yaml::Node& conf, bool supervisor, const std::string cw
 
     if (printOptions) {
         LogInfo("    Silence Threshold: %u (%.1f%%)", m_voice->m_silenceThreshold, float(m_voice->m_silenceThreshold) / 12.33F);
+        LogInfo("    Frame Loss Threshold: %u", m_frameLossThreshold);
 
         if (m_control) {
             LogInfo("    Voice on Control: %s", m_voiceOnControl ? "yes" : "no");
@@ -365,7 +373,7 @@ bool Control::processFrame(uint8_t* data, uint32_t len)
     bool sync = data[1U] == 0x01U;
 
     if (data[0U] == modem::TAG_LOST) {
-        if (m_frameLossCnt > MAX_LOST_FRAMES) {
+        if (m_frameLossCnt > m_frameLossThreshold) {
             m_frameLossCnt = 0U;
 
             processFrameLoss();
@@ -670,7 +678,7 @@ void Control::clock(uint32_t ms)
 
     if (m_frameLossCnt > 0U && m_rfState == RS_RF_LISTENING)
         m_frameLossCnt = 0U;
-    if (m_frameLossCnt >= MAX_LOST_FRAMES && (m_rfState == RS_RF_AUDIO || m_rfState == RS_RF_DATA)) {
+    if (m_frameLossCnt >= m_frameLossThreshold && (m_rfState == RS_RF_AUDIO || m_rfState == RS_RF_DATA)) {
         processFrameLoss();
     }
 
diff --git a/src/nxdn/Control.h b/src/nxdn/Control.h
index 5277da3b..9fa1fee1 100644
--- a/src/nxdn/Control.h
+++ b/src/nxdn/Control.h
@@ -198,6 +198,7 @@ namespace nxdn
         Timer m_ccPacketInterval;
 
         uint8_t m_frameLossCnt;
+        uint8_t m_frameLossThreshold;
 
         uint8_t m_ccFrameCnt;
         uint8_t m_ccSeq;
diff --git a/src/nxdn/NXDNDefines.h b/src/nxdn/NXDNDefines.h
index a8b6a89e..02a4d623 100644
--- a/src/nxdn/NXDNDefines.h
+++ b/src/nxdn/NXDNDefines.h
@@ -145,6 +145,7 @@ namespace nxdn
     const uint8_t   SACCH_IDLE[] = { 0x10U, 0x00U, 0x00U };
 
     const uint32_t  DEFAULT_SILENCE_THRESHOLD = 14U;
+    const uint32_t  DEFAULT_FRAME_LOSS_THRESHOLD = 4U;
     const uint32_t  MAX_NXDN_VOICE_ERRORS = 144U;
     const uint32_t  MAX_NXDN_VOICE_ERRORS_STEAL = 94U;
 
diff --git a/src/p25/Control.cpp b/src/p25/Control.cpp
index 2d9763bc..4f7681e9 100644
--- a/src/p25/Control.cpp
+++ b/src/p25/Control.cpp
@@ -56,8 +56,6 @@ const uint8_t MAX_SYNC_BYTES_ERRS = 4U;
 const uint32_t TSBK_PCH_CCH_CNT = 6U;
 const uint32_t MAX_PREAMBLE_TDU_CNT = 64U;
 
-const uint8_t MAX_LOST_FRAMES = 6U;
-
 // ---------------------------------------------------------------------------
 //  Public Class Members
 // ---------------------------------------------------------------------------
@@ -135,6 +133,7 @@ Control::Control(bool authoritative, uint32_t nac, uint32_t callHang, uint32_t q
     m_hangCount(3U * 8U),
     m_tduPreambleCount(8U),
     m_frameLossCnt(0U),
+    m_frameLossThreshold(DEFAULT_FRAME_LOSS_THRESHOLD),
     m_ccFrameCnt(0U),
     m_ccSeq(0U),
     m_nid(nac),
@@ -285,6 +284,14 @@ void Control::setOptions(yaml::Node& conf, bool supervisor, const std::string cw
         LogWarning(LOG_P25, "Silence threshold set to zero, defaulting to %u", p25::MAX_P25_VOICE_ERRORS);
         m_voice->m_silenceThreshold = p25::MAX_P25_VOICE_ERRORS;
     }
+    m_frameLossThreshold = (uint8_t)p25Protocol["frameLossThreshold"].as<uint32_t>(p25::DEFAULT_FRAME_LOSS_THRESHOLD);
+    if (m_frameLossThreshold == 0U) {
+        m_frameLossThreshold = 1U;
+    }
+
+    if (m_frameLossThreshold > p25::DEFAULT_FRAME_LOSS_THRESHOLD * 2U) {
+        LogWarning(LOG_P25, "Frame loss threshold may be excessive, default is %u, configured is %u", p25::DEFAULT_FRAME_LOSS_THRESHOLD, m_frameLossThreshold);
+    }
 
     m_disableNetworkHDU = p25Protocol["disableNetworkHDU"].as<bool>(false);
 
@@ -373,6 +380,7 @@ void Control::setOptions(yaml::Node& conf, bool supervisor, const std::string cw
 
     if (printOptions) {
         LogInfo("    Silence Threshold: %u (%.1f%%)", m_voice->m_silenceThreshold, float(m_voice->m_silenceThreshold) / 12.33F);
+        LogInfo("    Frame Loss Threshold: %u", m_frameLossThreshold);
 
         if (m_control) {
             LogInfo("    Voice on Control: %s", m_voiceOnControl ? "yes" : "no");
@@ -445,7 +453,7 @@ bool Control::processFrame(uint8_t* data, uint32_t len)
     bool sync = data[1U] == 0x01U;
 
     if (data[0U] == modem::TAG_LOST) {
-        if (m_frameLossCnt > MAX_LOST_FRAMES) {
+        if (m_frameLossCnt > m_frameLossThreshold) {
             m_frameLossCnt = 0U;
 
             processFrameLoss();
@@ -834,7 +842,7 @@ void Control::clock(uint32_t ms)
 
     if (m_frameLossCnt > 0U && m_rfState == RS_RF_LISTENING)
         m_frameLossCnt = 0U;
-    if (m_frameLossCnt >= MAX_LOST_FRAMES && (m_rfState == RS_RF_AUDIO || m_rfState == RS_RF_DATA)) {
+    if (m_frameLossCnt >= m_frameLossThreshold && (m_rfState == RS_RF_AUDIO || m_rfState == RS_RF_DATA)) {
         processFrameLoss();
     }
 
diff --git a/src/p25/Control.h b/src/p25/Control.h
index 8738f939..4417f759 100644
--- a/src/p25/Control.h
+++ b/src/p25/Control.h
@@ -214,6 +214,7 @@ namespace p25
         uint32_t m_tduPreambleCount;
 
         uint8_t m_frameLossCnt;
+        uint8_t m_frameLossThreshold;
 
         uint8_t m_ccFrameCnt;
         uint8_t m_ccSeq;
diff --git a/src/p25/P25Defines.h b/src/p25/P25Defines.h
index b983937c..39b7844c 100644
--- a/src/p25/P25Defines.h
+++ b/src/p25/P25Defines.h
@@ -201,6 +201,7 @@ namespace p25
     const uint32_t  P25_TGID_ALL = 0xFFFFU;
 
     const uint32_t  DEFAULT_SILENCE_THRESHOLD = 124U;
+    const uint32_t  DEFAULT_FRAME_LOSS_THRESHOLD = 6U;
     const uint32_t  MAX_P25_VOICE_ERRORS = 1233U;
 
     const uint8_t   P25_FT_HDU_VALID = 0x01U;