diff --git a/docs/solo_features/settings_screen/settings_screen.md b/docs/solo_features/settings_screen/settings_screen.md
index cb395328..f283978f 100644
--- a/docs/solo_features/settings_screen/settings_screen.md
+++ b/docs/solo_features/settings_screen/settings_screen.md
@@ -40,6 +40,7 @@ Press **Cancel/Back** to save and return to the home screen.
 | DM Melody      | built-in / Melody 1 / Melody 2 / None | Notification sound for incoming private messages. `None` disables the sound for this event. |
 | Channel Melody | built-in / Melody 1 / Melody 2 / None | Notification sound for incoming channel messages. `None` disables the sound for this event. |
 | AD sound       | built-in / Melody 1 / Melody 2 / None | Sound played whenever an **advert** is received from *any* node — pairs with Auto-Advert as an audible "in range" heartbeat (see Tools › Auto-Advert). `None` disables the sound for this event. |
+| AD scope       | All / Zero-hop                | Filters the AD sound so it plays for every advert or only for local zero-hop adverts. |
 
 Melody 1 and Melody 2 are custom sequences editable in **Tools › Ringtone Editor**.
 
diff --git a/docs/solo_features/tools_screen/tools_screen.md b/docs/solo_features/tools_screen/tools_screen.md
index 7bcf43fa..da2b723d 100644
--- a/docs/solo_features/tools_screen/tools_screen.md
+++ b/docs/solo_features/tools_screen/tools_screen.md
@@ -159,7 +159,7 @@ Saved **waypoints are included** in the export as GPX `<wpt>` elements (with the
 Periodically broadcasts a 0-hop advert with your GPS position. Configurable interval: off / 30 s / 1 min / 2 min / 5 min / 10 min / 30 min / 1 h. A blinking **A** appears in the status bar while active.
 
 > [!TIP]
-> **Audible connection heartbeat** — the device chirps each time it *receives* an advert from any node (sound chosen in **Settings › Sound › AD sound**). With Auto-Advert running on both ends (e.g. two people on a hike), each hearing the other's periodic advert becomes a hands-free "in range" beep — no need to look at the screen. It fires for **every** received advert, so in a busy mesh it can get chatty; choose `None` in **Settings › Sound › AD sound** to silence just this event, or set **Settings › Sound › Buzzer** to *Off* (or *Auto*, which mutes while a companion app is connected) to silence all buzzer output.
+> **Audible connection heartbeat** — the device chirps each time it *receives* an advert from any node (sound chosen in **Settings › Sound › AD sound**). With Auto-Advert running on both ends (e.g. two people on a hike), each hearing the other's periodic advert becomes a hands-free "in range" beep — no need to look at the screen. It fires for **every** received advert, so in a busy mesh it can get chatty; choose `None` in **Settings › Sound › AD sound** to silence just this event, or set **Settings › Sound › Advert scope** to `Zero-hop` to limit it to local adverts only. You can also set **Settings › Sound › Buzzer** to *Off* (or *Auto*, which mutes while a companion app is connected) to silence all buzzer output.
 
 ---
 
diff --git a/examples/companion_radio/AbstractUITask.h b/examples/companion_radio/AbstractUITask.h
index 6905ecdd..a0db33c6 100644
--- a/examples/companion_radio/AbstractUITask.h
+++ b/examples/companion_radio/AbstractUITask.h
@@ -19,6 +19,8 @@ enum class UIEventType {
     channelMessage,
     roomMessage,
     advertReceived,
+    advertReceivedFlood,
+    advertReceivedZeroHop,
     ack
 };
 
diff --git a/examples/companion_radio/DataStore.cpp b/examples/companion_radio/DataStore.cpp
index 7f60c9e9..644d2b41 100644
--- a/examples/companion_radio/DataStore.cpp
+++ b/examples/companion_radio/DataStore.cpp
@@ -320,12 +320,15 @@ void DataStore::loadPrefsInt(const char *filename, NodePrefs& _prefs, double& no
   rd(&_prefs.notif_melody_ad,     sizeof(_prefs.notif_melody_ad));
   rd(&_prefs.units_imperial,      sizeof(_prefs.units_imperial));
   rd(&_prefs.trail_show_pace,     sizeof(_prefs.trail_show_pace));
-  // These three were appended together; an older file leaves stray bytes here
-  // (the old tail sentinel gets partly consumed), so clamp out-of-range values.
-  // Values: 0=built-in, 1=melody1, 2=melody2, 3=none.
+  rd(&_prefs.advert_sound_scope,  sizeof(_prefs.advert_sound_scope));
+  // These fields were appended after ch_fav_only; an older file can leave
+  // stray bytes here (the old tail sentinel gets partly consumed), so clamp
+  // out-of-range values back to defaults.
+  // Values for notif_melody_ad: 0=built-in, 1=melody1, 2=melody2, 3=none.
   if (_prefs.notif_melody_ad > 3) _prefs.notif_melody_ad = 0;
   if (_prefs.units_imperial  > 1) _prefs.units_imperial  = 0;
   if (_prefs.trail_show_pace > 1) _prefs.trail_show_pace = 0;
+  if (_prefs.advert_sound_scope > 1) _prefs.advert_sound_scope = ADVERT_SOUND_SCOPE_ALL;
 
   // Schema sentinel: bumped on layout changes. Mismatch means an older file
   // (or a different schema); rd() already zero-inits any fields not present,
@@ -349,11 +352,10 @@ void DataStore::loadPrefsInt(const char *filename, NodePrefs& _prefs, double& no
     if (sentinel == 0xC0DE0003) {
       _prefs.trail_units_idx = 0;
     }
-    // → 0xC0DE0007: merge of two parallel 0xC0DE0006 layouts — notif_melody_ad
-    // (advert sound) and units_imperial + trail_show_pace were appended after
-    // ch_fav_only. Any older file (incl. either single-feature 0006) leaves
-    // stray/old bytes in these fields; they're clamped above, so upgraders fall
-    // back to built-in advert sound + metric + speed.
+    // → 0xC0DE0008: append advert_sound_scope after the existing 0xC0DE0007
+    // tail (notif_melody_ad + units_imperial + trail_show_pace). Older files
+    // leave stray/old bytes in these fields; they're clamped above, so
+    // upgraders fall back to built-in advert sound + metric + speed + All.
   }
 
   file.close();
@@ -445,6 +447,7 @@ void DataStore::savePrefs(const NodePrefs& _prefs, double node_lat, double node_
     file.write((uint8_t *)&_prefs.notif_melody_ad,     sizeof(_prefs.notif_melody_ad));
     file.write((uint8_t *)&_prefs.units_imperial,      sizeof(_prefs.units_imperial));
     file.write((uint8_t *)&_prefs.trail_show_pace,     sizeof(_prefs.trail_show_pace));
+    file.write((uint8_t *)&_prefs.advert_sound_scope,  sizeof(_prefs.advert_sound_scope));
 
     // Tail sentinel — must be last. See NodePrefs::SCHEMA_SENTINEL.
     uint32_t sentinel = NodePrefs::SCHEMA_SENTINEL;
diff --git a/examples/companion_radio/MyMesh.cpp b/examples/companion_radio/MyMesh.cpp
index dbd621b9..91c634b8 100644
--- a/examples/companion_radio/MyMesh.cpp
+++ b/examples/companion_radio/MyMesh.cpp
@@ -360,8 +360,8 @@ void MyMesh::onContactsFull() {
   }
 }
 
-void MyMesh::onDiscoveredContact(ContactInfo &contact, bool is_new, uint8_t path_len, const uint8_t* path) {
-  if (_ui) _ui->notify(UIEventType::advertReceived);
+void MyMesh::onDiscoveredContact(ContactInfo &contact, bool is_new, uint8_t path_len, const uint8_t* path, bool was_flood) {
+  if (_ui) _ui->notify(was_flood ? UIEventType::advertReceivedFlood : UIEventType::advertReceivedZeroHop);
 
   if (_serial->isConnected()) {
     if (is_new) {
@@ -927,7 +927,7 @@ void MyMesh::onControlDataRecv(mesh::Packet *packet) {
         memcpy(r.pub_key, pub_key, PUB_KEY_SIZE);
         r.timestamp = getRTCClock()->getCurrentTime();
       }
-      if (_ui) _ui->notify(UIEventType::advertReceived);
+      if (_ui) _ui->notify(packet->isRouteFlood() ? UIEventType::advertReceivedFlood : UIEventType::advertReceivedZeroHop);
       return;  // our discover — don't forward to BLE app
     }
   }
@@ -1100,6 +1100,7 @@ MyMesh::MyMesh(mesh::Radio &radio, mesh::RNG &rng, mesh::RTCClock &rtc, SimpleMe
   _prefs.ringtone_len = 0;       // no custom ringtone by default
   _prefs.ringtone2_bpm_idx = 2;  // 120 bpm default
   _prefs.notif_melody_ad = 0;    // built-in advert sound by default
+  _prefs.advert_sound_scope = ADVERT_SOUND_SCOPE_ALL;  // sound every advert by default
   _prefs.home_pages_mask = 0x01FF;  // all pages visible
   _prefs.bot_enabled = 0;
   _prefs.bot_channel_enabled = 0;
diff --git a/examples/companion_radio/MyMesh.h b/examples/companion_radio/MyMesh.h
index 4228e0da..912a402d 100644
--- a/examples/companion_radio/MyMesh.h
+++ b/examples/companion_radio/MyMesh.h
@@ -165,7 +165,7 @@ protected:
   void onContactsFull() override;
   void onContactOverwrite(const uint8_t* pub_key) override;
   bool onContactPathRecv(ContactInfo& from, uint8_t* in_path, uint8_t in_path_len, uint8_t* out_path, uint8_t out_path_len, uint8_t extra_type, uint8_t* extra, uint8_t extra_len) override;
-  void onDiscoveredContact(ContactInfo &contact, bool is_new, uint8_t path_len, const uint8_t* path) override;
+  void onDiscoveredContact(ContactInfo &contact, bool is_new, uint8_t path_len, const uint8_t* path, bool was_flood) override;
   void onContactPathUpdated(const ContactInfo &contact) override;
   ContactInfo* processAck(const uint8_t *data) override;
   void queueMessage(const ContactInfo &from, uint8_t txt_type, mesh::Packet *pkt, uint32_t sender_timestamp,
diff --git a/examples/companion_radio/NodePrefs.h b/examples/companion_radio/NodePrefs.h
index 700b00f8..0586d5fe 100644
--- a/examples/companion_radio/NodePrefs.h
+++ b/examples/companion_radio/NodePrefs.h
@@ -9,6 +9,9 @@
 #define ADVERT_LOC_NONE       0
 #define ADVERT_LOC_SHARE      1
 
+#define ADVERT_SOUND_SCOPE_ALL        0
+#define ADVERT_SOUND_SCOPE_ZERO_HOP   1
+
 struct NodePrefs {  // persisted to file
   float airtime_factor;
   char node_name[32];
@@ -73,6 +76,8 @@ struct NodePrefs {  // persisted to file
   uint8_t  notif_melody_dm;
   uint8_t  notif_melody_ch;
   uint8_t  notif_melody_ad;
+  // Advert sound filter: 0=all adverts, 1=zero-hop only
+  uint8_t  advert_sound_scope;
   // Per-channel melody override (2 bitmasks, 1 bit per channel)
   uint64_t ch_notif_melody_set;  // bit i = channel i has explicit melody
   uint64_t ch_notif_melody_2;    // bit i = use melody 2 (else melody 1, when set bit is set)
@@ -120,7 +125,7 @@ struct NodePrefs {  // persisted to file
   // adding/removing/reordering fields in DataStore::savePrefs/loadPrefsInt so
   // older saves are detected on load and skipped (zero-init defaults kept).
   // High 24 bits identify the file format; low byte is the schema revision.
-  static const uint32_t SCHEMA_SENTINEL = 0xC0DE0007;
+  static const uint32_t SCHEMA_SENTINEL = 0xC0DE0008;
 
   // Bit-index for each home page. Used by page_order (entries store bit+1) and
   // by home_pages_mask. Single source of truth — both HomeScreen::pageBit/bitToPage
diff --git a/examples/companion_radio/ui-new/SettingsScreen.h b/examples/companion_radio/ui-new/SettingsScreen.h
index 6740b9da..c6e95e90 100644
--- a/examples/companion_radio/ui-new/SettingsScreen.h
+++ b/examples/companion_radio/ui-new/SettingsScreen.h
@@ -39,6 +39,7 @@ class SettingsScreen : public UIScreen {
     DM_MELODY,
     CH_MELODY,
     AD_SOUND,
+    AD_SOUND_SCOPE,
     // Home pages section
     SECTION_HOME_PAGES,
     HOME_CLOCK, HOME_FAVOURITES, HOME_RECENT, HOME_RADIO, HOME_BT, HOME_ADVERT,
@@ -91,6 +92,8 @@ class SettingsScreen : public UIScreen {
   static const int BATT_DISPLAY_COUNT = 3;
   static const char* SOUND_LABELS[4];
   static const int SOUND_COUNT = 4;
+  static const char* AD_SCOPE_LABELS[2];
+  static const int AD_SCOPE_COUNT = 2;
 #if FEAT_FULL_REFRESH_SETTING
   static const char* EINK_FULL_REFRESH_LABELS[5];
   static const int   EINK_FULL_REFRESH_COUNT = 5;
@@ -452,6 +455,11 @@ class SettingsScreen : public UIScreen {
       display.setCursor(display.valCol(), y);
       { uint8_t v = p ? p->notif_melody_ad : 0;
         display.print(SOUND_LABELS[v < SOUND_COUNT ? v : 0]); }
+    } else if (item == AD_SOUND_SCOPE) {
+      display.print("AD scope");
+      display.setCursor(display.valCol(), y);
+      { uint8_t v = p ? p->advert_sound_scope : ADVERT_SOUND_SCOPE_ALL;
+        display.print(AD_SCOPE_LABELS[v < AD_SCOPE_COUNT ? v : 0]); }
     } else if (isHomePage(item)) {
       if (p) ensurePageOrderInit(p);
       int pos = homePagePosition(item, p);
@@ -706,6 +714,10 @@ public:
       p->notif_melody_ad = (p->notif_melody_ad + (left ? SOUND_COUNT - 1 : 1)) % SOUND_COUNT;
       _dirty = true; return true;
     }
+    if (_selected == AD_SOUND_SCOPE && p && (left || right || enter)) {
+      p->advert_sound_scope ^= 1;
+      _dirty = true; return true;
+    }
     if (isHomePage(_selected) && p) {
       if (left || right) {
         movePageInOrder(_selected, left ? -1 : 1, p);
@@ -839,6 +851,7 @@ const uint16_t SettingsScreen::LOW_BAT_OPTS[7]   = { 0, 3000, 3100, 3200, 3300,
 const char*    SettingsScreen::LOW_BAT_LABELS[7]  = { "off", "3.0V", "3.1V", "3.2V", "3.3V", "3.4V", "3.5V" };
 const char*    SettingsScreen::BATT_DISPLAY_LABELS[3] = { "icon", "%", "V" };
 const char*    SettingsScreen::SOUND_LABELS[4] = { "built-in", "M1", "M2", "None" };
+const char*    SettingsScreen::AD_SCOPE_LABELS[2] = { "All", "Zero-hop" };
 #if FEAT_FULL_REFRESH_SETTING
 const char* SettingsScreen::EINK_FULL_REFRESH_LABELS[5] = { "off", "5", "10", "20", "30" };
 #endif
diff --git a/examples/companion_radio/ui-new/UITask.cpp b/examples/companion_radio/ui-new/UITask.cpp
index 465a8c77..1ed0ace5 100644
--- a/examples/companion_radio/ui-new/UITask.cpp
+++ b/examples/companion_radio/ui-new/UITask.cpp
@@ -1469,7 +1469,13 @@ switch(t){
     _last_notif_ch_idx = -1;
     break;
   }
-  case UIEventType::advertReceived: {
+  case UIEventType::advertReceived:
+  case UIEventType::advertReceivedFlood:
+  case UIEventType::advertReceivedZeroHop: {
+    bool is_flood = (t == UIEventType::advertReceivedFlood);
+    if (_node_prefs && _node_prefs->advert_sound_scope == ADVERT_SOUND_SCOPE_ZERO_HOP && is_flood) {
+      break;
+    }
     if (!buzzer.isQuiet()) {
       int slot = _node_prefs ? (int)_node_prefs->notif_melody_ad : 0;
       bool custom_played = false;
diff --git a/examples/simple_secure_chat/main.cpp b/examples/simple_secure_chat/main.cpp
index d5066736..954ddc6e 100644
--- a/examples/simple_secure_chat/main.cpp
+++ b/examples/simple_secure_chat/main.cpp
@@ -202,7 +202,11 @@ protected:
     return true;
   }
 
-  void onDiscoveredContact(ContactInfo& contact, bool is_new, uint8_t path_len, const uint8_t* path) override {
+  void onDiscoveredContact(ContactInfo& contact, bool is_new, uint8_t path_len, const uint8_t* path, bool was_flood) override {
+    (void)is_new;
+    (void)path_len;
+    (void)path;
+    (void)was_flood;
     // TODO: if not in favs,  prompt to add as fav(?)
 
     Serial.printf("ADVERT from -> %s\n", contact.name);
diff --git a/src/helpers/BaseChatMesh.cpp b/src/helpers/BaseChatMesh.cpp
index d3ef034e..12d30b4b 100644
--- a/src/helpers/BaseChatMesh.cpp
+++ b/src/helpers/BaseChatMesh.cpp
@@ -144,7 +144,7 @@ void BaseChatMesh::onAdvertRecv(mesh::Packet* packet, const mesh::Identity& id,
     if (!shouldAutoAddContactType(parser.getType())) {
       ContactInfo ci;
       populateContactFromAdvert(ci, id, parser, timestamp);
-      onDiscoveredContact(ci, true, packet->path_len, packet->path);       // let UI know
+      onDiscoveredContact(ci, true, packet->path_len, packet->path, packet->isRouteFlood());       // let UI know
       return;
     }
 
@@ -153,7 +153,7 @@ void BaseChatMesh::onAdvertRecv(mesh::Packet* packet, const mesh::Identity& id,
     if (max_hops > 0 && packet->getPathHashCount() >= max_hops) {
       ContactInfo ci;
       populateContactFromAdvert(ci, id, parser, timestamp);
-      onDiscoveredContact(ci, true, packet->path_len, packet->path);       // let UI know
+      onDiscoveredContact(ci, true, packet->path_len, packet->path, packet->isRouteFlood());       // let UI know
       return;
     }
 
@@ -161,7 +161,7 @@ void BaseChatMesh::onAdvertRecv(mesh::Packet* packet, const mesh::Identity& id,
     if (from == NULL) {
       ContactInfo ci;
       populateContactFromAdvert(ci, id, parser, timestamp);
-      onDiscoveredContact(ci, true, packet->path_len, packet->path);
+      onDiscoveredContact(ci, true, packet->path_len, packet->path, packet->isRouteFlood());
       onContactsFull();
       MESH_DEBUG_PRINTLN("onAdvertRecv: unable to allocate contact slot for new contact");
       return;
@@ -183,7 +183,7 @@ void BaseChatMesh::onAdvertRecv(mesh::Packet* packet, const mesh::Identity& id,
   from->last_advert_timestamp = timestamp;
   from->lastmod = getRTCClock()->getCurrentTime();
 
-  onDiscoveredContact(*from, is_new, packet->path_len, packet->path);       // let UI know
+  onDiscoveredContact(*from, is_new, packet->path_len, packet->path, packet->isRouteFlood());       // let UI know
 }
 
 int BaseChatMesh::searchPeersByHash(const uint8_t* hash) {
diff --git a/src/helpers/BaseChatMesh.h b/src/helpers/BaseChatMesh.h
index c04bfda3..4087b1ca 100644
--- a/src/helpers/BaseChatMesh.h
+++ b/src/helpers/BaseChatMesh.h
@@ -102,7 +102,7 @@ protected:
   virtual bool shouldOverwriteWhenFull() const { return false; }
   virtual uint8_t getAutoAddMaxHops() const { return 0; }  // 0 = no limit, 1 = direct (0 hops), N = up to N-1 hops
   virtual void onContactOverwrite(const uint8_t* pub_key) {};
-  virtual void onDiscoveredContact(ContactInfo& contact, bool is_new, uint8_t path_len, const uint8_t* path) = 0;
+  virtual void onDiscoveredContact(ContactInfo& contact, bool is_new, uint8_t path_len, const uint8_t* path, bool was_flood) = 0;
   virtual ContactInfo* processAck(const uint8_t *data) = 0;
   virtual void onContactPathUpdated(const ContactInfo& contact) = 0;
   virtual bool onContactPathRecv(ContactInfo& from, uint8_t* in_path, uint8_t in_path_len, uint8_t* out_path, uint8_t out_path_len, uint8_t extra_type, uint8_t* extra, uint8_t extra_len);