diff --git a/tools/chatgui/transport/gui_bridge.h b/tools/chatgui/transport/gui_bridge.h
index 884203a3..ade48477 100644
--- a/tools/chatgui/transport/gui_bridge.h
+++ b/tools/chatgui/transport/gui_bridge.h
@@ -236,6 +236,8 @@ void gui_bridge_set_dm_conv_updated_cb(gui_dm_conv_updated_fn cb);
  * data: [conv_id_len:1][conv_id:var][count:2]([dir:1][seq:8][ts:8][author:8][ct_len:1][ct:var][data_len:2][data:var])* */
 typedef void (*gui_dm_messages_fn)(const uint8_t* data, int len);
 void gui_bridge_set_dm_messages_cb(gui_dm_messages_fn cb);
+/* CHAT_EVT_DM_INVITE_RESULT: коррелированный результат отправки приглашения. */
+void gui_bridge_set_dm_invite_result_cb(gui_dm_messages_fn cb);
 /* CHAT_EVT_ATTACHMENT_PREPARATION: target + job UUID + state. */
 void gui_bridge_set_attachment_preparation_cb(gui_dm_messages_fn cb);
 
diff --git a/tools/chatgui/transport/gui_bridge_impl.cpp b/tools/chatgui/transport/gui_bridge_impl.cpp
index 2fa2fdef..35da42cc 100644
--- a/tools/chatgui/transport/gui_bridge_impl.cpp
+++ b/tools/chatgui/transport/gui_bridge_impl.cpp
@@ -64,6 +64,7 @@ static gui_dm_conv_updated_fn        g_dm_conv_updated_cb      = nullptr;
 static gui_dm_messages_fn            g_dm_messages_cb          = nullptr;
 static gui_dm_messages_fn            g_attachment_preparation_cb = nullptr;
 static gui_dm_messages_fn g_dm_call_route_cb = nullptr;
+static gui_dm_messages_fn g_dm_invite_result_cb = nullptr;
 static gui_network_changed_fn g_network_changed_cb = nullptr;
 static struct UASYNC*        g_ua                 = nullptr;
 static struct UTUN_INSTANCE* g_inst               = nullptr;
@@ -78,6 +79,9 @@ void GuiBridgeReceiver::processPost(int eventType, QByteArray data) {
         eventType == 16 || eventType == 17 || eventType == 24 || eventType == 25 || eventType == 31 || eventType == 33))
         g_network_changed_cb(eventType);
     switch (eventType) {
+    case CHAT_EVT_DM_INVITE_RESULT:
+        if (g_dm_invite_result_cb) g_dm_invite_result_cb(d, dlen);
+        break;
     case CHAT_EVT_DM_CALL_ROUTE:
         if (g_dm_call_route_cb) g_dm_call_route_cb(d, dlen);
         break;
@@ -549,6 +553,7 @@ void gui_bridge_set_dm_msg_received_cb(gui_dm_msg_received_fn cb) {
 
 void gui_bridge_set_network_changed_cb(gui_network_changed_fn cb) { g_network_changed_cb = cb; }
 void gui_bridge_set_dm_call_route_cb(gui_dm_messages_fn cb) { g_dm_call_route_cb = cb; }
+void gui_bridge_set_dm_invite_result_cb(gui_dm_messages_fn cb) { g_dm_invite_result_cb = cb; }
 
 void gui_bridge_set_dm_conv_updated_cb(gui_dm_conv_updated_fn cb) {
     g_dm_conv_updated_cb = cb;