diff --git a/examples/companion_radio/MyMesh.cpp b/examples/companion_radio/MyMesh.cpp
index 409fed9f0..61288a6e8 100644
--- a/examples/companion_radio/MyMesh.cpp
+++ b/examples/companion_radio/MyMesh.cpp
@@ -415,6 +415,11 @@ void MyMesh::onContactPathUpdated(const ContactInfo &contact) {
 }
 
 ContactInfo*  MyMesh::processAck(const uint8_t *data) {
+  if (_listener) {
+    uint32_t ack_crc;
+    memcpy(&ack_crc, data, 4);
+    _listener->onACKRecv(ack_crc);
+  }
   // see if matches any in a table
   for (int i = 0; i < EXPECTED_ACK_TABLE_SIZE; i++) {
     if (memcmp(data, &expected_ack_table[i].ack, 4) == 0) { // got an ACK from recipient
@@ -588,7 +593,7 @@ void MyMesh::onChannelMessageRecv(const mesh::GroupChannel &channel, mesh::Packe
     if (!getChannel(channel_idx, channel_details)) {
       strcpy(channel_details.name, "Unknown");
     }
-    _listener->onChannelMsgRecv(channel_details, path_len, text);
+    _listener->onChannelMessageRecv(channel_details, path_len, text);
     _listener->onQueueSizeChanged(offline_queue_len);
   }
 }
@@ -626,6 +631,9 @@ void MyMesh::onChannelDataRecv(const mesh::GroupChannel &channel, mesh::Packet *
     frame[0] = PUSH_CODE_MSG_WAITING; // send push 'tickle'
     _serial->writeFrame(frame, 1);
   }
+  if (_listener) {
+    _listener->onChannelDataRecv(channel, pkt, data_type, data, data_len);
+  }
 }
 
 uint8_t MyMesh::onContactRequest(const ContactInfo &contact, uint32_t sender_timestamp, const uint8_t *data,
@@ -673,6 +681,8 @@ uint8_t MyMesh::onContactRequest(const ContactInfo &contact, uint32_t sender_tim
       memcpy(&reply[4], telemetry.getBuffer(), tlen);
       return 4 + tlen;
     }
+  } else if (_listener) {
+    return _listener->onUnhandledRequest(contact, sender_timestamp, data, len, reply);
   }
   return 0; // unknown
 }
@@ -748,6 +758,8 @@ void MyMesh::onContactResponse(const ContactInfo &contact, const uint8_t *data,
     memcpy(&out_frame[i], &data[4], len - 4);
     i += (len - 4);
     _serial->writeFrame(out_frame, i);
+  } else if (_listener && len > 4) {
+    _listener->onUnhandledResponse(contact, tag, &data[4], len - 4);
   }
 }
 
@@ -822,6 +834,9 @@ void MyMesh::onRawDataRecv(mesh::Packet *packet) {
   } else {
     MESH_DEBUG_PRINTLN("onRawDataRecv(), data received while app offline");
   }
+  if (_listener) {
+    _listener->onRawDataRecv(packet);
+  }
 }
 
 void MyMesh::onTraceRecv(mesh::Packet *packet, uint32_t tag, uint32_t auth_code, uint8_t flags,
@@ -852,6 +867,9 @@ void MyMesh::onTraceRecv(mesh::Packet *packet, uint32_t tag, uint32_t auth_code,
   } else {
     MESH_DEBUG_PRINTLN("onTraceRecv(), data received while app offline");
   }
+  if (_listener) {
+    _listener->onTraceRecv(packet, tag, auth_code, flags, path_snrs, path_hashes, path_len);
+  }
 }
 
 uint32_t MyMesh::calcFloodTimeoutMillisFor(uint32_t pkt_airtime_millis) const {
diff --git a/examples/companion_radio/MyMesh.h b/examples/companion_radio/MyMesh.h
index 7bfbb2928..667b19e19 100644
--- a/examples/companion_radio/MyMesh.h
+++ b/examples/companion_radio/MyMesh.h
@@ -92,10 +92,19 @@ public:
   class Listener {
     public:
       virtual void onMessageRecv(const ContactInfo &from, uint8_t txt_type, uint32_t sender_timestamp, uint8_t path_len, const char* text) = 0;
-      virtual void onChannelMsgRecv(ChannelDetails& channel_details, uint8_t path_len, const char* text) = 0;
+      virtual void onChannelMessageRecv(ChannelDetails& channel_details, uint8_t path_len, const char* text) = 0;
       virtual void onQueueSizeChanged(int msgcount) = 0;
-      virtual void onDiscoveredContact(ContactInfo &contact, bool is_new, uint8_t path_len, const uint8_t* path) = 0;
-      virtual void onControlDataRecv(const mesh::Packet* packet) = 0;
+      virtual void onDiscoveredContact(ContactInfo &contact, bool is_new, uint8_t path_len, const uint8_t* path) { }
+      virtual void onControlDataRecv(const mesh::Packet* packet) { }
+      virtual void onChannelDataRecv(const mesh::GroupChannel &channel, mesh::Packet *pkt, uint16_t data_type,
+                                     const uint8_t *data, size_t data_len) { }
+      virtual void onACKRecv(uint32_t ack_crc) { }
+      virtual uint8_t onUnhandledRequest(const ContactInfo &contact, uint32_t sender_timestamp, const uint8_t *data,
+                                         uint8_t len, uint8_t *reply) { return 0; /* unknown request type */ }
+      virtual void onUnhandledResponse(const ContactInfo &from, uint32_t tag, const uint8_t* data, uint8_t len) { }
+      virtual void onTraceRecv(mesh::Packet *packet, uint32_t tag, uint32_t auth_code, uint8_t flags,
+                               const uint8_t *path_snrs, const uint8_t *path_hashes, uint8_t path_len) { }
+      virtual void onRawDataRecv(mesh::Packet *packet) { }
   };
 
   MyMesh(mesh::Radio &radio, mesh::RNG &rng, mesh::RTCClock &rtc, SimpleMeshTables &tables, DataStore& store);
diff --git a/examples/companion_radio/ui-new/UITask.cpp b/examples/companion_radio/ui-new/UITask.cpp
index 33a4e192a..8457367a2 100644
--- a/examples/companion_radio/ui-new/UITask.cpp
+++ b/examples/companion_radio/ui-new/UITask.cpp
@@ -808,7 +808,7 @@ void UITask::onMessageRecv(const ContactInfo &from, uint8_t txt_type, uint32_t s
   }
 }
 
-void UITask::onChannelMsgRecv(ChannelDetails& channel_details, uint8_t path_len, const char* text) {
+void UITask::onChannelMessageRecv(ChannelDetails& channel_details, uint8_t path_len, const char* text) {
   ((MsgPreviewScreen *) msg_preview)->addPreview(path_len, channel_details.name, text);
   setCurrScreen(msg_preview);
 
diff --git a/examples/companion_radio/ui-new/UITask.h b/examples/companion_radio/ui-new/UITask.h
index 842b1ac97..47928a171 100644
--- a/examples/companion_radio/ui-new/UITask.h
+++ b/examples/companion_radio/ui-new/UITask.h
@@ -112,7 +112,7 @@ public:
 
   // MyMesh::Listener
   void onMessageRecv(const ContactInfo &from, uint8_t txt_type, uint32_t sender_timestamp, uint8_t path_len, const char* text) override;
-  void onChannelMsgRecv(ChannelDetails& channel_details, uint8_t path_len, const char* text) override;
+  void onChannelMessageRecv(ChannelDetails& channel_details, uint8_t path_len, const char* text) override;
   void onQueueSizeChanged(int offline_queue_size) override;
   void onDiscoveredContact(ContactInfo &contact, bool is_new, uint8_t path_len, const uint8_t* path) override;
   void onControlDataRecv(const mesh::Packet* packet) override;
diff --git a/examples/companion_radio/ui-orig/UITask.cpp b/examples/companion_radio/ui-orig/UITask.cpp
index 45a81da90..42e4ab79b 100644
--- a/examples/companion_radio/ui-orig/UITask.cpp
+++ b/examples/companion_radio/ui-orig/UITask.cpp
@@ -168,7 +168,7 @@ void UITask::onMessageRecv(const ContactInfo &from, uint8_t txt_type, uint32_t s
   }
 }
 
-void UITask::onChannelMsgRecv(ChannelDetails& channel_details, uint8_t path_len, const char* text) {
+void UITask::onChannelMessageRecv(ChannelDetails& channel_details, uint8_t path_len, const char* text) {
 #ifdef HAS_DRV2605
   vibration.trigger();   // vibrate even while the app is connected (honors quiet + cooldown)
 #endif
@@ -200,9 +200,6 @@ void UITask::onDiscoveredContact(ContactInfo &contact, bool is_new, uint8_t path
   }
 }
 
-void UITask::onControlDataRecv(const mesh::Packet* packet) {
-}
-
 void UITask::renderBatteryIndicator(uint16_t batteryMilliVolts) {
   // Convert millivolts to percentage
 #ifndef BATT_MIN_MILLIVOLTS
diff --git a/examples/companion_radio/ui-orig/UITask.h b/examples/companion_radio/ui-orig/UITask.h
index 553dc7d0e..bb879cb63 100644
--- a/examples/companion_radio/ui-orig/UITask.h
+++ b/examples/companion_radio/ui-orig/UITask.h
@@ -72,10 +72,9 @@ public:
 
   // MyMesh::Listener
   void onMessageRecv(const ContactInfo &from, uint8_t txt_type, uint32_t sender_timestamp, uint8_t path_len, const char* text) override;
-  void onChannelMsgRecv(ChannelDetails& channel_details, uint8_t path_len, const char* text) override;
+  void onChannelMessageRecv(ChannelDetails& channel_details, uint8_t path_len, const char* text) override;
   void onQueueSizeChanged(int offline_queue_size) override;
   void onDiscoveredContact(ContactInfo &contact, bool is_new, uint8_t path_len, const uint8_t* path) override;
-  void onControlDataRecv(const mesh::Packet* packet) override;
 
   // from AbstractUITask
   void notify(UIEventType t = UIEventType::none) override;
diff --git a/examples/companion_radio/ui-tiny/UITask.cpp b/examples/companion_radio/ui-tiny/UITask.cpp
index 71a8bb212..607ac89c4 100644
--- a/examples/companion_radio/ui-tiny/UITask.cpp
+++ b/examples/companion_radio/ui-tiny/UITask.cpp
@@ -528,7 +528,7 @@ void UITask::onMessageRecv(const ContactInfo &from, uint8_t txt_type, uint32_t s
   }
 }
 
-void UITask::onChannelMsgRecv(ChannelDetails& channel_details, uint8_t path_len, const char* text) {
+void UITask::onChannelMessageRecv(ChannelDetails& channel_details, uint8_t path_len, const char* text) {
   if (_display != NULL) {
     if (!_display->isOn() && !hasConnection()) {
       _display->turnOn();
@@ -549,9 +549,6 @@ void UITask::onDiscoveredContact(ContactInfo &contact, bool is_new, uint8_t path
   }
 }
 
-void UITask::onControlDataRecv(const mesh::Packet* packet) {
-}
-
 void UITask::userLedHandler() {
 #ifdef PIN_STATUS_LED
   int cur_time = millis();
diff --git a/examples/companion_radio/ui-tiny/UITask.h b/examples/companion_radio/ui-tiny/UITask.h
index 48c697b9f..83591d899 100644
--- a/examples/companion_radio/ui-tiny/UITask.h
+++ b/examples/companion_radio/ui-tiny/UITask.h
@@ -100,10 +100,9 @@ public:
 
   // MyMesh::Listener
   void onMessageRecv(const ContactInfo &from, uint8_t txt_type, uint32_t sender_timestamp, uint8_t path_len, const char* text) override;
-  void onChannelMsgRecv(ChannelDetails& channel_details, uint8_t path_len, const char* text) override;
+  void onChannelMessageRecv(ChannelDetails& channel_details, uint8_t path_len, const char* text) override;
   void onQueueSizeChanged(int offline_queue_size) override;
   void onDiscoveredContact(ContactInfo &contact, bool is_new, uint8_t path_len, const uint8_t* path) override;
-  void onControlDataRecv(const mesh::Packet* packet) override;
 
   // from AbstractUITask
   void notify(UIEventType t = UIEventType::none) override;