diff --git a/AX25Control.cpp b/AX25Control.cpp
index a6b89ea..563fa42 100644
--- a/AX25Control.cpp
+++ b/AX25Control.cpp
@@ -51,12 +51,10 @@ bool CAX25Control::writeModem(unsigned char *data, unsigned int len)
 
     CUtils::dump(1U, "AX.25 raw packet", data, len);
 
-    if (m_network != NULL) {
-        if (isUI(data, len))
-            m_network->writeAX25(data, len);
-    }
+    if (m_network == NULL)
+        return true;
 
-	return true;
+    return m_network->write(data, len);
 }
 
 bool CAX25Control::openFile()
@@ -233,15 +231,3 @@ bool CAX25Control::decodeAddress(const unsigned char* data, std::string& text, b
 
 	return (data[6U] & 0x01U) == 0x00U;
 }
-
-bool CAX25Control::isUI(const unsigned char* data, unsigned int length) const
-{
-    assert(data != NULL);
-    assert(length >= 15U);
-
-    unsigned int n = 13U;
-    while ((data[n] & 0x01U) == 0x00U && n < length)
-        n += 7U;
-
-    return (data[n + 1U] & 0xEFU) == 0x03U;
-}
diff --git a/AX25Control.h b/AX25Control.h
index 59b5688..b0217df 100644
--- a/AX25Control.h
+++ b/AX25Control.h
@@ -38,7 +38,6 @@ private:
 	bool          m_enabled;
 	FILE*         m_fp;
 
-	bool isUI(const unsigned char* data, unsigned int length) const;
 	void decode(const unsigned char* data, unsigned int length);
 	bool decodeAddress(const unsigned char* data, std::string& text, bool isDigi = false) const;
 	bool openFile();
diff --git a/AX25Network.cpp b/AX25Network.cpp
index 3f5ac49..5330ec8 100644
--- a/AX25Network.cpp
+++ b/AX25Network.cpp
@@ -27,34 +27,38 @@
 
 const unsigned int BUFFER_LENGTH = 200U;
 
-CAX25Network::CAX25Network(const std::string& localAddress, unsigned int localPort, const std::string& gatewayAddress, unsigned int gatewayPort, bool debug) :
-m_socket(localAddress, localPort),
-m_address(),
-m_port(gatewayPort),
+CAX25Network::CAX25Network(const std::string& port, unsigned int speed, bool debug) :
+m_serial(port, SERIAL_SPEED(speed), false),		// XXX
+m_txData(NULL),
+m_txLength(0U),
+m_txOffset(0U),
+m_rxData(NULL),
+m_rxLength(0U),
+m_rxComplete(false),
 m_debug(debug),
 m_enabled(false)
 {
-	assert(gatewayPort > 0U);
-	assert(!gatewayAddress.empty());
+	assert(!port.empty());
+	assert(speed > 0U);
 
-	m_address = CUDPSocket::lookup(gatewayAddress);
+	m_txData = new unsigned char[BUFFER_LENGTH];
+	m_rxData = new unsigned char[BUFFER_LENGTH];
 }
 
 CAX25Network::~CAX25Network()
 {
+	delete[] m_txData;
+	delete[] m_rxData;
 }
 
 bool CAX25Network::open()
 {
 	LogMessage("Opening AX25 network connection");
 
-	if (m_address.s_addr == INADDR_NONE)
-		return false;
-
-	return m_socket.open();
+	return m_serial.open();
 }
 
-bool CAX25Network::writeAX25(const unsigned char* data, unsigned int length)
+bool CAX25Network::write(const unsigned char* data, unsigned int length)
 {
 	assert(data != NULL);
 
@@ -80,7 +84,7 @@ void CAX25Network::reset()
 
 void CAX25Network::close()
 {
-	m_socket.close();
+	m_serial.close();
 
 	LogMessage("Closing AX25 network connection");
 }
diff --git a/AX25Network.h b/AX25Network.h
index 866ae7e..9c9cecb 100644
--- a/AX25Network.h
+++ b/AX25Network.h
@@ -19,32 +19,38 @@
 #ifndef	AX25Network_H
 #define	AX25Network_H
 
-#include "UDPSocket.h"
+#include "SerialController.h"
 
 #include <cstdint>
 #include <string>
 
 class CAX25Network {
 public:
-	CAX25Network(const std::string& localAddress, unsigned int localPort, const std::string& gatewayAddress, unsigned int gatewayPort, bool debug);
+	CAX25Network(const std::string& port, unsigned int speed, bool debug);
 	~CAX25Network();
 
 	bool open();
 
 	void enable(bool enabled);
 
-	bool writeAX25(const unsigned char* data, unsigned int length);
+	bool write(const unsigned char* data, unsigned int length);
+
+	unsigned int read(unsigned char* data, unsigned int length);
 
 	void reset();
 
 	void close();
 
 private:
-	CUDPSocket   m_socket;
-	in_addr      m_address;
-	unsigned int m_port;
-	bool         m_debug;
-	bool         m_enabled;
+	CSerialController m_serial;
+	unsigned char*    m_txData;
+	unsigned int      m_txLength;
+	unsigned int      m_txOffset;
+	unsigned char*    m_rxData;
+	unsigned int      m_rxLength;
+	bool              m_rxComplete;
+	bool              m_debug;
+	bool              m_enabled;
 };
 
 #endif
diff --git a/Conf.cpp b/Conf.cpp
index 85972c1..0ef321f 100644
--- a/Conf.cpp
+++ b/Conf.cpp
@@ -211,7 +211,6 @@ m_fmExtAudioBoost(1U),
 m_ax25Enabled(false),
 m_ax25RXTwist(6),
 m_ax25TXTwist(6),
-m_ax25Digipeat(true),
 m_ax25Trace(false),
 m_dstarNetworkEnabled(false),
 m_dstarGatewayAddress(),
@@ -259,10 +258,8 @@ m_pocsagLocalPort(0U),
 m_pocsagNetworkModeHang(3U),
 m_pocsagNetworkDebug(false),
 m_ax25NetworkEnabled(false),
-m_ax25GatewayAddress(),
-m_ax25GatewayPort(0U),
-m_ax25LocalAddress(),
-m_ax25LocalPort(0U),
+m_ax25NetworkPort(),
+m_ax25NetworkSpeed(9600U),
 m_ax25NetworkDebug(false),
 m_tftSerialPort("/dev/ttyAMA0"),
 m_tftSerialBrightness(50U),
@@ -802,8 +799,6 @@ bool CConf::read()
 			m_ax25RXTwist = ::atoi(value);
 		else if (::strcmp(key, "TXTwist") == 0)
 			m_ax25TXTwist = ::atoi(value);
-		else if (::strcmp(key, "Digipeat") == 0)
-			m_ax25Digipeat = ::atoi(value) == 1;
 		else if (::strcmp(key, "Trace") == 0)
 			m_ax25Trace = ::atoi(value) == 1;
 	} else if (section == SECTION_DSTAR_NETWORK) {
@@ -903,18 +898,14 @@ bool CConf::read()
 		else if (::strcmp(key, "Debug") == 0)
 			m_pocsagNetworkDebug = ::atoi(value) == 1;
 	} else if (section == SECTION_AX25_NETWORK) {
- 	  if (::strcmp(key, "Enable") == 0)
-		m_ax25NetworkEnabled = ::atoi(value) == 1;
-	  else if (::strcmp(key, "LocalAddress") == 0)
-		m_ax25LocalAddress = value;
-	  else if (::strcmp(key, "LocalPort") == 0)
-		m_ax25LocalPort = (unsigned int)::atoi(value);
-	  else if (::strcmp(key, "GatewayAddress") == 0)
-		m_ax25GatewayAddress = value;
-	  else if (::strcmp(key, "GatewayPort") == 0)
-		m_ax25GatewayPort = (unsigned int)::atoi(value);
-	  else if (::strcmp(key, "Debug") == 0)
-		m_ax25NetworkDebug = ::atoi(value) == 1;
+		if (::strcmp(key, "Enable") == 0)
+			m_ax25NetworkEnabled = ::atoi(value) == 1;
+		else if (::strcmp(key, "Port") == 0)
+			m_ax25NetworkPort = value;
+		else if (::strcmp(key, "Speed") == 0)
+			m_ax25NetworkSpeed = (unsigned int)::atoi(value);
+		else if (::strcmp(key, "Debug") == 0)
+			m_ax25NetworkDebug = ::atoi(value) == 1;
 	} else if (section == SECTION_TFTSERIAL) {
 		if (::strcmp(key, "Port") == 0)
 			m_tftSerialPort = value;
@@ -1743,11 +1734,6 @@ int CConf::getAX25TXTwist() const
 	return m_ax25TXTwist;
 }
 
-bool CConf::getAX25Digipeat() const
-{
-	return m_ax25Digipeat;
-}
-
 bool CConf::getAX25Trace() const
 {
 	return m_ax25Trace;
@@ -1983,24 +1969,14 @@ bool CConf::getAX25NetworkEnabled() const
 	return m_ax25NetworkEnabled;
 }
 
-std::string CConf::getAX25GatewayAddress() const
+std::string CConf::getAX25NetworkPort() const
 {
-	return m_ax25GatewayAddress;
+	return m_ax25NetworkPort;
 }
 
-unsigned int CConf::getAX25GatewayPort() const
+unsigned int CConf::getAX25NetworkSpeed() const
 {
-	return m_ax25GatewayPort;
-}
-
-std::string CConf::getAX25LocalAddress() const
-{
-	return m_ax25LocalAddress;
-}
-
-unsigned int CConf::getAX25LocalPort() const
-{
-	return m_ax25LocalPort;
+	return m_ax25NetworkSpeed;
 }
 
 bool CConf::getAX25NetworkDebug() const
diff --git a/Conf.h b/Conf.h
index 8379061..335c1e3 100644
--- a/Conf.h
+++ b/Conf.h
@@ -176,7 +176,6 @@ public:
   bool         getAX25Enabled() const;
   int          getAX25RXTwist() const;
   int          getAX25TXTwist() const;
-  bool         getAX25Digipeat() const;
   bool         getAX25Trace() const;
 
   // The FM Section
@@ -271,10 +270,8 @@ public:
 
   // The AX.25 Network section
   bool         getAX25NetworkEnabled() const;
-  std::string  getAX25GatewayAddress() const;
-  unsigned int getAX25GatewayPort() const;
-  std::string  getAX25LocalAddress() const;
-  unsigned int getAX25LocalPort() const;
+  std::string  getAX25NetworkPort() const;
+  unsigned int getAX25NetworkSpeed() const;
   bool         getAX25NetworkDebug() const;
 
   // The TFTSERIAL section
@@ -463,7 +460,6 @@ private:
   bool         m_ax25Enabled;
   int          m_ax25RXTwist;
   int          m_ax25TXTwist;
-  bool         m_ax25Digipeat;
   bool         m_ax25Trace;
 
   bool         m_fmEnabled;
@@ -550,10 +546,8 @@ private:
   bool         m_pocsagNetworkDebug;
 
   bool         m_ax25NetworkEnabled;
-  std::string  m_ax25GatewayAddress;
-  unsigned int m_ax25GatewayPort;
-  std::string  m_ax25LocalAddress;
-  unsigned int m_ax25LocalPort;
+  std::string  m_ax25NetworkPort;
+  unsigned int m_ax25NetworkSpeed;
   bool         m_ax25NetworkDebug;
 
   std::string  m_tftSerialPort;
diff --git a/MMDVM.ini b/MMDVM.ini
index dcbb0b8..6b12fff 100644
--- a/MMDVM.ini
+++ b/MMDVM.ini
@@ -180,7 +180,6 @@ ExtAudioBoost=1
 Enable=1
 TXTwist=6
 RXTwist=6
-Digipeat=1
 Trace=1
 
 [D-Star Network]
@@ -242,10 +241,8 @@ Debug=0
 
 [AX.25 Network]
 Enable=1
-LocalAddress=127.0.0.1
-LocalPort=47325
-GatewayAddress=127.0.0.1
-GatewayPort=47326
+Port=/dev/ttyp7
+Speed=9600
 Debug=0
 
 [TFT Serial]
diff --git a/MMDVMHost.cpp b/MMDVMHost.cpp
index db24632..12e71b5 100644
--- a/MMDVMHost.cpp
+++ b/MMDVMHost.cpp
@@ -626,18 +626,16 @@ int CMMDVMHost::run()
 	}
 
 	if (m_ax25Enabled) {
-		int  rxTwist  = m_conf.getAX25RXTwist();
-		int  txTwist  = m_conf.getAX25TXTwist();
-		bool digipeat = m_conf.getAX25Digipeat();
-		bool trace    = m_conf.getAX25Trace();
+		int  rxTwist = m_conf.getAX25RXTwist();
+		int  txTwist = m_conf.getAX25TXTwist();
+		bool trace   = m_conf.getAX25Trace();
 
 		LogInfo("AX.25 RF Parameters");
 		LogInfo("    RXTwist: %d", rxTwist);
 		LogInfo("    TXTwist: %d", txTwist);
-		LogInfo("    Digipeat: %s", digipeat ? "yes" : "no");
 		LogInfo("    Trace: %s", trace ? "yes" : "no");
 
-		m_ax25 = new CAX25Control(m_ax25Network, digipeat, trace);
+		m_ax25 = new CAX25Control(m_ax25Network, trace);
 	}
 
 	bool remoteControlEnabled = m_conf.getRemoteControlEnabled();
@@ -1584,19 +1582,15 @@ bool CMMDVMHost::createPOCSAGNetwork()
 
 bool CMMDVMHost::createAX25Network()
 {
-	std::string gatewayAddress = m_conf.getAX25GatewayAddress();
-	unsigned int gatewayPort   = m_conf.getAX25GatewayPort();
-	std::string localAddress   = m_conf.getAX25LocalAddress();
-	unsigned int localPort     = m_conf.getAX25LocalPort();
-	bool debug                 = m_conf.getAX25NetworkDebug();
+	std::string  port  = m_conf.getAX25NetworkPort();
+	unsigned int speed = m_conf.getAX25NetworkSpeed();
+	bool debug         = m_conf.getAX25NetworkDebug();
 
 	LogInfo("AX.25 Network Parameters");
-	LogInfo("    Gateway Address: %s", gatewayAddress.c_str());
-	LogInfo("    Gateway Port: %u", gatewayPort);
-	LogInfo("    Local Address: %s", localAddress.c_str());
-	LogInfo("    Local Port: %u", localPort);
+	LogInfo("    Port: %s", port.c_str());
+	LogInfo("    Speed: %u", speed);
 
-	m_ax25Network = new CAX25Network(localAddress, localPort, gatewayAddress, gatewayPort, debug);
+	m_ax25Network = new CAX25Network(port, speed, debug);
 
 	bool ret = m_ax25Network->open();
 	if (!ret) {
diff --git a/Modem.cpp b/Modem.cpp
index bcdde83..f1c6449 100644
--- a/Modem.cpp
+++ b/Modem.cpp
@@ -114,15 +114,17 @@ m_txInvert(txInvert),
 m_pttInvert(pttInvert),
 m_txDelay(txDelay),
 m_dmrDelay(dmrDelay),
-m_rxLevel(0U),
-m_cwIdTXLevel(0U),
-m_dstarTXLevel(0U),
-m_dmrTXLevel(0U),
-m_ysfTXLevel(0U),
-m_p25TXLevel(0U),
-m_nxdnTXLevel(0U),
-m_pocsagTXLevel(0U),
-m_fmTXLevel(0U),
+m_rxLevel(0.0F),
+m_cwIdTXLevel(0.0F),
+m_dstarTXLevel(0.0F),
+m_dmrTXLevel(0.0F),
+m_ysfTXLevel(0.0F),
+m_p25TXLevel(0.0F),
+m_nxdnTXLevel(0.0F),
+m_pocsagTXLevel(0.0F),
+m_fmTXLevel(0.0F),
+m_ax25TXLevel(0.0F),
+m_rfLevel(0.0F),
 m_trace(trace),
 m_debug(debug),
 m_rxFrequency(0U),
@@ -177,6 +179,8 @@ m_lockout(false),
 m_error(false),
 m_mode(MODE_IDLE),
 m_hwType(HWT_UNKNOWN),
+m_ax25RXTwist(0),
+m_ax25TXTwist(0),
 m_fmCallsign(),
 m_fmCallsignSpeed(20U),
 m_fmCallsignFrequency(1000U),
@@ -248,7 +252,7 @@ void CModem::setModeParams(bool dstarEnabled, bool dmrEnabled, bool ysfEnabled,
 	m_ax25Enabled   = ax25Enabled;
 }
 
-void CModem::setLevels(float rxLevel, float cwIdTXLevel, float dstarTXLevel, float dmrTXLevel, float ysfTXLevel, float p25TXLevel, float nxdnTXLevel, float pocsagTXLevel, float fmTXLevel)
+void CModem::setLevels(float rxLevel, float cwIdTXLevel, float dstarTXLevel, float dmrTXLevel, float ysfTXLevel, float p25TXLevel, float nxdnTXLevel, float pocsagTXLevel, float fmTXLevel, float ax25TXLevel)
 {
 	m_rxLevel       = rxLevel;
 	m_cwIdTXLevel   = cwIdTXLevel;
@@ -259,6 +263,7 @@ void CModem::setLevels(float rxLevel, float cwIdTXLevel, float dstarTXLevel, flo
 	m_nxdnTXLevel   = nxdnTXLevel;
 	m_pocsagTXLevel = pocsagTXLevel;
 	m_fmTXLevel     = fmTXLevel;
+	m_ax25TXLevel   = ax25TXLevel;
 }
 
 void CModem::setDMRParams(unsigned int colorCode)
@@ -284,6 +289,12 @@ void CModem::setNXDNParams(unsigned int txHang)
 	m_nxdnTXHang = txHang;
 }
 
+void CModem::setAX25Params(int rxTwist, int txTwist)
+{
+	m_ax25RXTwist = rxTwist;
+	m_ax25TXTwist = txTwist;
+}
+
 void CModem::setTransparentDataParams(unsigned int sendFrameType)
 {
     m_sendTransparentDataFrameType = sendFrameType;
@@ -1551,7 +1562,7 @@ bool CModem::setConfig()
 
 	buffer[0U] = MMDVM_FRAME_START;
 
-	buffer[1U] = 24U;
+	buffer[1U] = 27U;
 
 	buffer[2U] = MMDVM_SET_CONFIG;
 
@@ -1621,10 +1632,16 @@ bool CModem::setConfig()
 
 	buffer[23U] = (unsigned char)m_nxdnTXHang;
 
-	// CUtils::dump(1U, "Written", buffer, 24U);
+	buffer[24U] = (unsigned char)(m_ax25TXLevel * 2.55F + 0.5F);
 
-	int ret = m_serial->write(buffer, 24U);
-	if (ret != 24)
+	buffer[25U] = (unsigned char)(m_ax25RXTwist + 128);
+
+	buffer[26U] = (unsigned char)(m_ax25TXTwist + 128);
+
+	// CUtils::dump(1U, "Written", buffer, 27U);
+
+	int ret = m_serial->write(buffer, 27U);
+	if (ret != 27)
 		return false;
 
 	unsigned int count = 0U;
diff --git a/Modem.h b/Modem.h
index ea01945..1f8b291 100644
--- a/Modem.h
+++ b/Modem.h
@@ -48,11 +48,12 @@ public:
 	virtual void setSerialParams(const std::string& protocol, unsigned int address);
 	virtual void setRFParams(unsigned int rxFrequency, int rxOffset, unsigned int txFrequency, int txOffset, int txDCOffset, int rxDCOffset, float rfLevel, unsigned int pocsagFrequency);
 	virtual void setModeParams(bool dstarEnabled, bool dmrEnabled, bool ysfEnabled, bool p25Enabled, bool nxdnEnabled, bool pocsagEnabled, bool fmEnabled, bool ax25Enabled);
-	virtual void setLevels(float rxLevel, float cwIdTXLevel, float dstarTXLevel, float dmrTXLevel, float ysfTXLevel, float p25TXLevel, float nxdnTXLevel, float pocsagLevel, float fmTXLevel);
+	virtual void setLevels(float rxLevel, float cwIdTXLevel, float dstarTXLevel, float dmrTXLevel, float ysfTXLevel, float p25TXLevel, float nxdnTXLevel, float pocsagLevel, float fmTXLevel, float ax25TXLevel);
 	virtual void setDMRParams(unsigned int colorCode);
 	virtual void setYSFParams(bool loDev, unsigned int txHang);
 	virtual void setP25Params(unsigned int txHang);
 	virtual void setNXDNParams(unsigned int txHang);
+	virtual void setAX25Params(int rxTwist, int txTwist);
 	virtual void setTransparentDataParams(unsigned int sendFrameType);
 
 	virtual void setFMCallsignParams(const std::string& callsign, unsigned int callsignSpeed, unsigned int callsignFrequency, unsigned int callsignTime, unsigned int callsignHoldoff, float callsignHighLevel, float callsignLowLevel, bool callsignAtStart, bool callsignAtEnd, bool callsignAtLatch);
@@ -146,6 +147,7 @@ private:
 	float                      m_nxdnTXLevel;
 	float                      m_pocsagTXLevel;
 	float                      m_fmTXLevel;
+	float                      m_ax25TXLevel;
 	float                      m_rfLevel;
 	bool                       m_trace;
 	bool                       m_debug;
@@ -201,6 +203,8 @@ private:
 	bool                       m_error;
 	unsigned char              m_mode;
 	HW_TYPE                    m_hwType;
+	int                        m_ax25RXTwist;
+	int                        m_ax25TXTwist;
 
 	std::string                m_fmCallsign;
 	unsigned int               m_fmCallsignSpeed;
diff --git a/Version.h b/Version.h
index 7cfe66a..5f48e8f 100644
--- a/Version.h
+++ b/Version.h
@@ -19,6 +19,6 @@
 #if !defined(VERSION_H)
 #define	VERSION_H
 
-const char* VERSION = "20200620";
+const char* VERSION = "20200621";
 
 #endif