diff --git a/lib/opengd77base_codeplug.cc b/lib/opengd77base_codeplug.cc
index 7a56420c..7e76c179 100644
--- a/lib/opengd77base_codeplug.cc
+++ b/lib/opengd77base_codeplug.cc
@@ -88,9 +88,10 @@ OpenGD77BaseCodeplug::ChannelElement::clear() {
   setRXTone(SelectiveCall());
   setTXTone(SelectiveCall());
   setColorCode(0);
-  setGroupListIndex(0);
+  clearGroupListIndex();
   clearDMRId();
-
+  clearAPRSIndex();
+  clearTXContact();
 }
 
 
@@ -351,6 +352,27 @@ OpenGD77BaseCodeplug::ChannelElement::clearAPRSIndex() {
 }
 
 
+bool
+OpenGD77BaseCodeplug::ChannelElement::hasTXContact() const {
+  return 0 != getUInt16_le(Offset::txContact());
+}
+
+unsigned int
+OpenGD77BaseCodeplug::ChannelElement::txContactIndex() const {
+  return getUInt16_le(Offset::txContact()) - 1;
+}
+
+void
+OpenGD77BaseCodeplug::ChannelElement::setTXContactIndex(unsigned int index) {
+  setUInt16_le(Offset::txContact(), index+1);
+}
+
+void
+OpenGD77BaseCodeplug::ChannelElement::clearTXContact() {
+  setUInt16_le(Offset::txContact(), 0);
+}
+
+
 OpenGD77ChannelExtension::TalkerAlias
 OpenGD77BaseCodeplug::ChannelElement::aliasTimeSlot1() const {
   switch ((Alias) getUInt2(Offset::aliasTimeSlot1())) {
@@ -539,6 +561,8 @@ OpenGD77BaseCodeplug::ChannelElement::link(Channel *c, Context &ctx, const Error
     DMRChannel *dc = c->as<DMRChannel>();
     if (hasGroupList() && ctx.has<RXGroupList>(groupListIndex()))
       dc->setGroupListObj(ctx.get<RXGroupList>(groupListIndex()));
+    if (hasTXContact() && ctx.has<DMRContact>(txContactIndex()))
+      dc->setTXContactObj(ctx.get<DMRContact>(txContactIndex()));
     if (hasDMRId()) {
       auto id = ctx.config()->radioIDs()->find(dmrId());
       if (nullptr == id) {
@@ -597,8 +621,11 @@ OpenGD77BaseCodeplug::ChannelElement::encode(const Channel *c, Context &ctx, con
     setMode(MODE_DIGITAL);
     setTimeSlot(dc->timeSlot());
     setColorCode(dc->colorCode());
+    // OpenGD77 does not allow for both TX contact and group list, select one, prefer group list
     if (dc->groupListObj())
       setGroupListIndex(ctx.index(dc->groupListObj()));
+    else if (dc->txContactObj())
+      setTXContactIndex(ctx.index(dc->txContactObj()));
     if (dc->radioIdObj() != ctx.config()->settings()->defaultId())
       setDMRId(dc->radioIdObj()->number());
   } else {
diff --git a/lib/opengd77base_codeplug.hh b/lib/opengd77base_codeplug.hh
index 4a36ad6c..4df8f499 100644
--- a/lib/opengd77base_codeplug.hh
+++ b/lib/opengd77base_codeplug.hh
@@ -161,6 +161,15 @@ public:
     /** Resets the APRS system index. */
     virtual void clearAPRSIndex();
 
+    /** Returns @c true, if the TX contact is set. */
+    virtual bool hasTXContact() const;
+    /** Returns the TX contact index. */
+    virtual unsigned int txContactIndex() const;
+    /** Sets the TX contact index. */
+    virtual void setTXContactIndex(unsigned int index);
+    /** Clears the TX contact index. */
+    virtual void clearTXContact();
+
     /** Returns the alias transmitted on time slot 1. */
     virtual OpenGD77ChannelExtension::TalkerAlias aliasTimeSlot1() const;
     /** Sets the alias transmitted on time slot 1. */
@@ -246,6 +255,7 @@ public:
       static constexpr unsigned int groupList() { return 0x002b; }
       static constexpr unsigned int colorCode() { return 0x002c; }
       static constexpr unsigned int aprsIndex() { return 0x002d; }
+      static constexpr unsigned int txContact() { return 0x002e; }
       static constexpr Bit aliasTimeSlot2() { return { 0x030, 2}; }
       static constexpr Bit aliasTimeSlot1() { return { 0x030, 0}; }
       static constexpr Bit timeSlot() { return {0x0031, 6}; }